root/soap/php_http.c

/* [<][>][^][v][top][bottom][index][help] */

DEFINITIONS

This source file includes following definitions.
  1. proxy_authentication
  2. basic_authentication
  3. http_context_headers
  4. http_connect
  5. in_domain
  6. make_http_soap_request
  7. get_http_header_value
  8. get_http_body
  9. get_http_headers

/*
  +----------------------------------------------------------------------+
  | PHP Version 5                                                        |
  +----------------------------------------------------------------------+
  | Copyright (c) 1997-2013 The PHP Group                                |
  +----------------------------------------------------------------------+
  | This source file is subject to version 3.01 of the PHP license,      |
  | that is bundled with this package in the file LICENSE, and is        |
  | available through the world-wide-web at the following url:           |
  | http://www.php.net/license/3_01.txt                                  |
  | If you did not receive a copy of the PHP license and are unable to   |
  | obtain it through the world-wide-web, please send a note to          |
  | license@php.net so we can mail you a copy immediately.               |
  +----------------------------------------------------------------------+
  | Authors: Brad Lafountain <rodif_bl@yahoo.com>                        |
  |          Shane Caraveo <shane@caraveo.com>                           |
  |          Dmitry Stogov <dmitry@zend.com>                             |
  +----------------------------------------------------------------------+
*/
/* $Id$ */

#include "php_soap.h"
#include "ext/standard/base64.h"
#include "ext/standard/md5.h"
#include "ext/standard/php_rand.h"

static char *get_http_header_value(char *headers, char *type);
static int get_http_body(php_stream *socketd, int close, char *headers,  char **response, int *out_size TSRMLS_DC);
static int get_http_headers(php_stream *socketd,char **response, int *out_size TSRMLS_DC);

#define smart_str_append_const(str, const) \
        smart_str_appendl(str,const,sizeof(const)-1)

/* Proxy HTTP Authentication */
int proxy_authentication(zval* this_ptr, smart_str* soap_headers TSRMLS_DC)
{
        zval **login, **password;

        if (zend_hash_find(Z_OBJPROP_P(this_ptr), "_proxy_login", sizeof("_proxy_login"), (void **)&login) == SUCCESS) {
                unsigned char* buf;
                int len;
                smart_str auth = {0};

                smart_str_appendl(&auth, Z_STRVAL_PP(login), Z_STRLEN_PP(login));
                smart_str_appendc(&auth, ':');
                if (zend_hash_find(Z_OBJPROP_P(this_ptr), "_proxy_password", sizeof("_proxy_password"), (void **)&password) == SUCCESS) {
                        smart_str_appendl(&auth, Z_STRVAL_PP(password), Z_STRLEN_PP(password));
                }
                smart_str_0(&auth);
                buf = php_base64_encode((unsigned char*)auth.c, auth.len, &len);
                smart_str_append_const(soap_headers, "Proxy-Authorization: Basic ");
                smart_str_appendl(soap_headers, (char*)buf, len);
                smart_str_append_const(soap_headers, "\r\n");
                efree(buf);
                smart_str_free(&auth);
                return 1;
        }
        return 0;
}

/* HTTP Authentication */
int basic_authentication(zval* this_ptr, smart_str* soap_headers TSRMLS_DC)
{
        zval **login, **password;

        if (zend_hash_find(Z_OBJPROP_P(this_ptr), "_login", sizeof("_login"), (void **)&login) == SUCCESS &&
                        !zend_hash_exists(Z_OBJPROP_P(this_ptr), "_digest", sizeof("_digest"))) {
                unsigned char* buf;
                int len;
                smart_str auth = {0};

                smart_str_appendl(&auth, Z_STRVAL_PP(login), Z_STRLEN_PP(login));
                smart_str_appendc(&auth, ':');
                if (zend_hash_find(Z_OBJPROP_P(this_ptr), "_password", sizeof("_password"), (void **)&password) == SUCCESS) {
                        smart_str_appendl(&auth, Z_STRVAL_PP(password), Z_STRLEN_PP(password));
                }
                smart_str_0(&auth);
                buf = php_base64_encode((unsigned char*)auth.c, auth.len, &len);
                smart_str_append_const(soap_headers, "Authorization: Basic ");
                smart_str_appendl(soap_headers, (char*)buf, len);
                smart_str_append_const(soap_headers, "\r\n");
                efree(buf);
                smart_str_free(&auth);
                return 1;
        }
        return 0;
}

/* Additional HTTP headers */
void http_context_headers(php_stream_context* context,
                          zend_bool has_authorization,
                          zend_bool has_proxy_authorization,
                          zend_bool has_cookies,
                          smart_str* soap_headers TSRMLS_DC)
{
        zval **tmp;

        if (context &&
                php_stream_context_get_option(context, "http", "header", &tmp) == SUCCESS &&
                Z_TYPE_PP(tmp) == IS_STRING && Z_STRLEN_PP(tmp)) {
                char *s = Z_STRVAL_PP(tmp);
                char *p;
                int name_len;

                while (*s) {
                        /* skip leading newlines and spaces */
                        while (*s == ' ' || *s == '\t' || *s == '\r' || *s == '\n') {
                                s++;
                        }
                        /* extract header name */
                        p = s;
                        name_len = -1;
                        while (*p) {
                                if (*p == ':') {
                                        if (name_len < 0) name_len = p - s;
                                        break;
                                } else if (*p == ' ' || *p == '\t') {
                                        if (name_len < 0) name_len = p - s;
                                } else if (*p == '\r' || *p == '\n') {
                                        break;
                                }
                                p++;
                        }
                        if (*p == ':') {
                                /* extract header value */
                                while (*p && *p != '\r' && *p != '\n') {
                                        p++;
                                }
                                /* skip some predefined headers */
                                if ((name_len != sizeof("host")-1 ||
                                     strncasecmp(s, "host", sizeof("host")-1) != 0) &&
                                    (name_len != sizeof("connection")-1 ||
                                     strncasecmp(s, "connection", sizeof("connection")-1) != 0) &&
                                    (name_len != sizeof("user-agent")-1 ||
                                     strncasecmp(s, "user-agent", sizeof("user-agent")-1) != 0) &&
                                    (name_len != sizeof("content-length")-1 ||
                                     strncasecmp(s, "content-length", sizeof("content-length")-1) != 0) &&
                                    (name_len != sizeof("content-type")-1 ||
                                     strncasecmp(s, "content-type", sizeof("content-type")-1) != 0) &&
                                    (!has_cookies ||
                                     name_len != sizeof("cookie")-1 ||
                                     strncasecmp(s, "cookie", sizeof("cookie")-1) != 0) &&
                                    (!has_authorization ||
                                     name_len != sizeof("authorization")-1 ||
                                     strncasecmp(s, "authorization", sizeof("authorization")-1) != 0) &&
                                    (!has_proxy_authorization ||
                                     name_len != sizeof("proxy-authorization")-1 ||
                                     strncasecmp(s, "proxy-authorization", sizeof("proxy-authorization")-1) != 0)) {
                                    /* add header */
                                        smart_str_appendl(soap_headers, s, p-s);
                                        smart_str_append_const(soap_headers, "\r\n");
                                }
                        }
                        s = (*p) ? (p + 1) : p;
                }
        }
}

static php_stream* http_connect(zval* this_ptr, php_url *phpurl, int use_ssl, php_stream_context *context, int *use_proxy TSRMLS_DC)
{
        php_stream *stream;
        zval **proxy_host, **proxy_port, **tmp;
        char *host;
        char *name;
        long namelen;
        int port;
        int old_error_reporting;
        struct timeval tv;
        struct timeval *timeout = NULL;

        if (zend_hash_find(Z_OBJPROP_P(this_ptr), "_proxy_host", sizeof("_proxy_host"), (void **) &proxy_host) == SUCCESS &&
            Z_TYPE_PP(proxy_host) == IS_STRING &&
            zend_hash_find(Z_OBJPROP_P(this_ptr), "_proxy_port", sizeof("_proxy_port"), (void **) &proxy_port) == SUCCESS &&
            Z_TYPE_PP(proxy_port) == IS_LONG) {
                host = Z_STRVAL_PP(proxy_host);
                port = Z_LVAL_PP(proxy_port);
                *use_proxy = 1;
        } else {
                host = phpurl->host;
                port = phpurl->port;
        }
        if (zend_hash_find(Z_OBJPROP_P(this_ptr), "_connection_timeout", sizeof("_connection_timeout"), (void **) &tmp) == SUCCESS &&
            Z_TYPE_PP(tmp) == IS_LONG && Z_LVAL_PP(tmp) > 0) {
          tv.tv_sec = Z_LVAL_PP(tmp);
          tv.tv_usec = 0;
                timeout = &tv;
        }

        old_error_reporting = EG(error_reporting);
        EG(error_reporting) &= ~(E_WARNING|E_NOTICE|E_USER_WARNING|E_USER_NOTICE);

        namelen = spprintf(&name, 0, "%s://%s:%d", (use_ssl && !*use_proxy)? "ssl" : "tcp", host, port);

        stream = php_stream_xport_create(name, namelen,
                REPORT_ERRORS,
                STREAM_XPORT_CLIENT | STREAM_XPORT_CONNECT,
                NULL /*persistent_id*/,
                timeout,
                context,
                NULL, NULL);
        efree(name);

        /* SSL & proxy */
        if (stream && *use_proxy && use_ssl) {
                smart_str soap_headers = {0};
                char *http_headers;
                int http_header_size;

                smart_str_append_const(&soap_headers, "CONNECT ");
                smart_str_appends(&soap_headers, phpurl->host);
                smart_str_appendc(&soap_headers, ':');
                smart_str_append_unsigned(&soap_headers, phpurl->port);
                smart_str_append_const(&soap_headers, " HTTP/1.1\r\n");
                smart_str_append_const(&soap_headers, "Host: ");
                smart_str_appends(&soap_headers, phpurl->host);
                if (phpurl->port != 80) {
                        smart_str_appendc(&soap_headers, ':');
                        smart_str_append_unsigned(&soap_headers, phpurl->port);
                }
                smart_str_append_const(&soap_headers, "\r\n");
                proxy_authentication(this_ptr, &soap_headers TSRMLS_CC);
                smart_str_append_const(&soap_headers, "\r\n");
                if (php_stream_write(stream, soap_headers.c, soap_headers.len) != soap_headers.len) {
                        php_stream_close(stream);
                        stream = NULL;
                }
                smart_str_free(&soap_headers);

                if (stream) {
                        if (!get_http_headers(stream, &http_headers, &http_header_size TSRMLS_CC) || http_headers == NULL) {
                                php_stream_close(stream);
                                stream = NULL;
                        }
                        if (http_headers) {
                                efree(http_headers);
                        }
                }
                /* enable SSL transport layer */
                if (stream) {
                        if (php_stream_xport_crypto_setup(stream, STREAM_CRYPTO_METHOD_SSLv23_CLIENT, NULL TSRMLS_CC) < 0 ||
                            php_stream_xport_crypto_enable(stream, 1 TSRMLS_CC) < 0) {
                                php_stream_close(stream);
                                stream = NULL;
                        }
                }
        }

        EG(error_reporting) = old_error_reporting;
        return stream;
}

static int in_domain(const char *host, const char *domain)
{
  if (domain[0] == '.') {
    int l1 = strlen(host);
    int l2 = strlen(domain);
    if (l1 > l2) {
        return strcmp(host+l1-l2,domain) == 0;
    } else {
      return 0;
    }
  } else {
    return strcmp(host,domain) == 0;
  }
}

int make_http_soap_request(zval  *this_ptr,
                           char  *buf,
                           int    buf_size,
                           char  *location,
                           char  *soapaction,
                           int    soap_version,
                           char **buffer,
                           int   *buffer_len TSRMLS_DC)
{
        char *request;
        smart_str soap_headers = {0};
        smart_str soap_headers_z = {0};
        int request_size, err;
        php_url *phpurl = NULL;
        php_stream *stream;
        zval **trace, **tmp;
        int use_proxy = 0;
        int use_ssl;
        char *http_headers, *http_body, *content_type, *http_version, *cookie_itt;
        int http_header_size, http_body_size, http_close;
        char *connection;
        int http_1_1;
        int http_status;
        int content_type_xml = 0;
        long redirect_max = 20;
        char *content_encoding;
        char *http_msg = NULL;
        zend_bool old_allow_url_fopen;
        php_stream_context *context = NULL;
        zend_bool has_authorization = 0;
        zend_bool has_proxy_authorization = 0;
        zend_bool has_cookies = 0;

        if (this_ptr == NULL || Z_TYPE_P(this_ptr) != IS_OBJECT) {
                return FALSE;
        }

  request = buf;
  request_size = buf_size;
        /* Compress request */
        if (zend_hash_find(Z_OBJPROP_P(this_ptr), "compression", sizeof("compression"), (void **)&tmp) == SUCCESS && Z_TYPE_PP(tmp) == IS_LONG) {
                int level = Z_LVAL_PP(tmp) & 0x0f;
                int kind  = Z_LVAL_PP(tmp) & SOAP_COMPRESSION_DEFLATE;

                if (level > 9) {level = 9;}
                
          if ((Z_LVAL_PP(tmp) & SOAP_COMPRESSION_ACCEPT) != 0) {
                        smart_str_append_const(&soap_headers_z,"Accept-Encoding: gzip, deflate\r\n");
          }
          if (level > 0) {
                        zval func;
                        zval retval;
                        zval param1, param2, param3;
                        zval *params[3];
                        int n;

                        params[0] = &param1;
                        INIT_PZVAL(params[0]);
                        params[1] = &param2;
                        INIT_PZVAL(params[1]);
                        params[2] = &param3;
                        INIT_PZVAL(params[2]);
                        ZVAL_STRINGL(params[0], buf, buf_size, 0);
                        ZVAL_LONG(params[1], level);
            if (kind == SOAP_COMPRESSION_DEFLATE) {
                n = 2;
                                ZVAL_STRING(&func, "gzcompress", 0);
                                smart_str_append_const(&soap_headers_z,"Content-Encoding: deflate\r\n");
            } else {
              n = 3;
                                ZVAL_STRING(&func, "gzencode", 0);
                                smart_str_append_const(&soap_headers_z,"Content-Encoding: gzip\r\n");
                                ZVAL_LONG(params[2], 0x1f);
            }
                        if (call_user_function(CG(function_table), (zval**)NULL, &func, &retval, n, params TSRMLS_CC) == SUCCESS &&
                            Z_TYPE(retval) == IS_STRING) {
                                request = Z_STRVAL(retval);
                                request_size = Z_STRLEN(retval);
                        } else {
                                if (request != buf) {efree(request);}
                                smart_str_free(&soap_headers_z);
                                return FALSE;
                        }
          }
        }

        if (zend_hash_find(Z_OBJPROP_P(this_ptr), "httpsocket", sizeof("httpsocket"), (void **)&tmp) == SUCCESS) {
                php_stream_from_zval_no_verify(stream,tmp);
                if (zend_hash_find(Z_OBJPROP_P(this_ptr), "_use_proxy", sizeof("_use_proxy"), (void **)&tmp) == SUCCESS && Z_TYPE_PP(tmp) == IS_LONG) {
                        use_proxy = Z_LVAL_PP(tmp);
                }
        } else {
                stream = NULL;
        }

        if (location != NULL && location[0] != '\000') {
                phpurl = php_url_parse(location);
        }

        if (SUCCESS == zend_hash_find(Z_OBJPROP_P(this_ptr),
                        "_stream_context", sizeof("_stream_context"), (void**)&tmp)) {
                context = php_stream_context_from_zval(*tmp, 0);
        }

        if (context && 
                php_stream_context_get_option(context, "http", "max_redirects", &tmp) == SUCCESS) {
                if (Z_TYPE_PP(tmp) != IS_STRING || !is_numeric_string(Z_STRVAL_PP(tmp), Z_STRLEN_PP(tmp), &redirect_max, NULL, 1)) {
                        if (Z_TYPE_PP(tmp) == IS_LONG)
                                redirect_max = Z_LVAL_PP(tmp);
                }
        }

try_again:
        if (phpurl == NULL || phpurl->host == NULL) {
          if (phpurl != NULL) {php_url_free(phpurl);}
                if (request != buf) {efree(request);}
                add_soap_fault(this_ptr, "HTTP", "Unable to parse URL", NULL, NULL TSRMLS_CC);
                smart_str_free(&soap_headers_z);
                return FALSE;
        }

        use_ssl = 0;
        if (phpurl->scheme != NULL && strcmp(phpurl->scheme, "https") == 0) {
                use_ssl = 1;
        } else if (phpurl->scheme == NULL || strcmp(phpurl->scheme, "http") != 0) {
                php_url_free(phpurl);
                if (request != buf) {efree(request);}
                add_soap_fault(this_ptr, "HTTP", "Unknown protocol. Only http and https are allowed.", NULL, NULL TSRMLS_CC);
                smart_str_free(&soap_headers_z);
                return FALSE;
        }

        old_allow_url_fopen = PG(allow_url_fopen);
        PG(allow_url_fopen) = 1;
        if (use_ssl && php_stream_locate_url_wrapper("https://", NULL, STREAM_LOCATE_WRAPPERS_ONLY TSRMLS_CC) == NULL) {
                php_url_free(phpurl);
                if (request != buf) {efree(request);}
                add_soap_fault(this_ptr, "HTTP", "SSL support is not available in this build", NULL, NULL TSRMLS_CC);
                PG(allow_url_fopen) = old_allow_url_fopen;
                smart_str_free(&soap_headers_z);
                return FALSE;
        }

        if (phpurl->port == 0) {
                phpurl->port = use_ssl ? 443 : 80;
        }

        /* Check if request to the same host */
        if (stream != NULL) {
          php_url *orig;
                if (zend_hash_find(Z_OBJPROP_P(this_ptr), "httpurl", sizeof("httpurl"), (void **)&tmp) == SUCCESS &&
                    (orig = (php_url *) zend_fetch_resource(tmp TSRMLS_CC, -1, "httpurl", NULL, 1, le_url)) != NULL &&
                    ((use_proxy && !use_ssl) ||
                     (((use_ssl && orig->scheme != NULL && strcmp(orig->scheme, "https") == 0) ||
                      (!use_ssl && orig->scheme == NULL) ||
                      (!use_ssl && strcmp(orig->scheme, "https") != 0)) &&
                     strcmp(orig->host, phpurl->host) == 0 &&
                     orig->port == phpurl->port))) {
    } else {
                        php_stream_close(stream);
                        zend_hash_del(Z_OBJPROP_P(this_ptr), "httpurl", sizeof("httpurl"));
                        zend_hash_del(Z_OBJPROP_P(this_ptr), "httpsocket", sizeof("httpsocket"));
                        zend_hash_del(Z_OBJPROP_P(this_ptr), "_use_proxy", sizeof("_use_proxy"));
                        stream = NULL;
                        use_proxy = 0;
    }
        }

        /* Check if keep-alive connection is still opened */
        if (stream != NULL && php_stream_eof(stream)) {
                php_stream_close(stream);
                zend_hash_del(Z_OBJPROP_P(this_ptr), "httpurl", sizeof("httpurl"));
                zend_hash_del(Z_OBJPROP_P(this_ptr), "httpsocket", sizeof("httpsocket"));
                zend_hash_del(Z_OBJPROP_P(this_ptr), "_use_proxy", sizeof("_use_proxy"));
                stream = NULL;
                use_proxy = 0;
        }

        if (!stream) {
                stream = http_connect(this_ptr, phpurl, use_ssl, context, &use_proxy TSRMLS_CC);
                if (stream) {
                        php_stream_auto_cleanup(stream);
                        add_property_resource(this_ptr, "httpsocket", php_stream_get_resource_id(stream));
                        add_property_long(this_ptr, "_use_proxy", use_proxy);
                } else {
                        php_url_free(phpurl);
                        if (request != buf) {efree(request);}
                        add_soap_fault(this_ptr, "HTTP", "Could not connect to host", NULL, NULL TSRMLS_CC);
                        PG(allow_url_fopen) = old_allow_url_fopen;
                        smart_str_free(&soap_headers_z);
                        return FALSE;
                }
        }
        PG(allow_url_fopen) = old_allow_url_fopen;

        if (stream) {
                zval **cookies, **login, **password;
          int ret = zend_list_insert(phpurl, le_url TSRMLS_CC);

                add_property_resource(this_ptr, "httpurl", ret);
                /*zend_list_addref(ret);*/

                if (context && 
                    php_stream_context_get_option(context, "http", "protocol_version", &tmp) == SUCCESS &&
                    Z_TYPE_PP(tmp) == IS_DOUBLE &&
                    Z_DVAL_PP(tmp) == 1.0) {
                        http_1_1 = 0;
                } else {
                        http_1_1 = 1;
                }

                smart_str_append_const(&soap_headers, "POST ");
                if (use_proxy && !use_ssl) {
                        smart_str_appends(&soap_headers, phpurl->scheme);
                        smart_str_append_const(&soap_headers, "://");
                        smart_str_appends(&soap_headers, phpurl->host);
                        smart_str_appendc(&soap_headers, ':');
                        smart_str_append_unsigned(&soap_headers, phpurl->port);
                }
                if (phpurl->path) {
                        smart_str_appends(&soap_headers, phpurl->path);
                } else {
                        smart_str_appendc(&soap_headers, '/');
                }
                if (phpurl->query) {
                        smart_str_appendc(&soap_headers, '?');
                        smart_str_appends(&soap_headers, phpurl->query);
                }
                if (phpurl->fragment) {
                        smart_str_appendc(&soap_headers, '#');
                        smart_str_appends(&soap_headers, phpurl->fragment);
                }
                if (http_1_1) {
                        smart_str_append_const(&soap_headers, " HTTP/1.1\r\n");
                } else {
                        smart_str_append_const(&soap_headers, " HTTP/1.0\r\n");
                }
                smart_str_append_const(&soap_headers, "Host: ");
                smart_str_appends(&soap_headers, phpurl->host);
                if (phpurl->port != (use_ssl?443:80)) {
                        smart_str_appendc(&soap_headers, ':');
                        smart_str_append_unsigned(&soap_headers, phpurl->port);
                }
                if (!http_1_1 ||
                        (zend_hash_find(Z_OBJPROP_P(this_ptr), "_keep_alive", sizeof("_keep_alive"), (void **)&tmp) == SUCCESS &&
                         Z_LVAL_PP(tmp) == 0)) {
                        smart_str_append_const(&soap_headers, "\r\n"
                                "Connection: close\r\n");
                } else {
                        smart_str_append_const(&soap_headers, "\r\n"
                                "Connection: Keep-Alive\r\n");
                }
                if (zend_hash_find(Z_OBJPROP_P(this_ptr), "_user_agent", sizeof("_user_agent"), (void **)&tmp) == SUCCESS &&
                    Z_TYPE_PP(tmp) == IS_STRING) {
                        if (Z_STRLEN_PP(tmp) > 0) {
                                smart_str_append_const(&soap_headers, "User-Agent: ");
                                smart_str_appendl(&soap_headers, Z_STRVAL_PP(tmp), Z_STRLEN_PP(tmp));
                                smart_str_append_const(&soap_headers, "\r\n");
                        }
                } else if (context && 
                           php_stream_context_get_option(context, "http", "user_agent", &tmp) == SUCCESS &&
                           Z_TYPE_PP(tmp) == IS_STRING) {
                        if (Z_STRLEN_PP(tmp) > 0) {
                                smart_str_append_const(&soap_headers, "User-Agent: ");
                                smart_str_appendl(&soap_headers, Z_STRVAL_PP(tmp), Z_STRLEN_PP(tmp));
                                smart_str_append_const(&soap_headers, "\r\n");
                        }
                } else if (FG(user_agent)) {
                        smart_str_append_const(&soap_headers, "User-Agent: ");
                        smart_str_appends(&soap_headers, FG(user_agent));
                        smart_str_append_const(&soap_headers, "\r\n");
                } else {
                        smart_str_append_const(&soap_headers, "User-Agent: PHP-SOAP/"PHP_VERSION"\r\n");
                }

                smart_str_append(&soap_headers, &soap_headers_z);

                if (soap_version == SOAP_1_2) {
                        smart_str_append_const(&soap_headers,"Content-Type: application/soap+xml; charset=utf-8");
                        if (soapaction) {
                                smart_str_append_const(&soap_headers,"; action=\"");
                                smart_str_appends(&soap_headers, soapaction);
                                smart_str_append_const(&soap_headers,"\"");
                        }
                        smart_str_append_const(&soap_headers,"\r\n");
                } else {
                        smart_str_append_const(&soap_headers,"Content-Type: text/xml; charset=utf-8\r\n");
                        if (soapaction) {
                                smart_str_append_const(&soap_headers, "SOAPAction: \"");
                                smart_str_appends(&soap_headers, soapaction);
                                smart_str_append_const(&soap_headers, "\"\r\n");
                        }
                }
                smart_str_append_const(&soap_headers,"Content-Length: ");
                smart_str_append_long(&soap_headers, request_size);
                smart_str_append_const(&soap_headers, "\r\n");

                /* HTTP Authentication */
                if (zend_hash_find(Z_OBJPROP_P(this_ptr), "_login", sizeof("_login"), (void **)&login) == SUCCESS &&
                    Z_TYPE_PP(login) == IS_STRING) {
                        zval **digest;

                        has_authorization = 1;
                        if (zend_hash_find(Z_OBJPROP_P(this_ptr), "_digest", sizeof("_digest"), (void **)&digest) == SUCCESS) {
                                if (Z_TYPE_PP(digest) == IS_ARRAY) {
                                        char          HA1[33], HA2[33], response[33], cnonce[33], nc[9];
                                        PHP_MD5_CTX   md5ctx;
                                        unsigned char hash[16];

                                        PHP_MD5Init(&md5ctx);
                                        snprintf(cnonce, sizeof(cnonce), "%ld", php_rand(TSRMLS_C));
                                        PHP_MD5Update(&md5ctx, (unsigned char*)cnonce, strlen(cnonce));
                                        PHP_MD5Final(hash, &md5ctx);
                                        make_digest(cnonce, hash);

                                        if (zend_hash_find(Z_ARRVAL_PP(digest), "nc", sizeof("nc"), (void **)&tmp) == SUCCESS &&
                                            Z_TYPE_PP(tmp) == IS_LONG) {
                                                Z_LVAL_PP(tmp)++;
                                                snprintf(nc, sizeof(nc), "%08ld", Z_LVAL_PP(tmp));
                                        } else {
                                                add_assoc_long(*digest, "nc", 1);
                                                strcpy(nc, "00000001");
                                        }

                                        PHP_MD5Init(&md5ctx);
                                        PHP_MD5Update(&md5ctx, (unsigned char*)Z_STRVAL_PP(login), Z_STRLEN_PP(login));
                                        PHP_MD5Update(&md5ctx, (unsigned char*)":", 1);
                                        if (zend_hash_find(Z_ARRVAL_PP(digest), "realm", sizeof("realm"), (void **)&tmp) == SUCCESS &&
                                            Z_TYPE_PP(tmp) == IS_STRING) {
                                                PHP_MD5Update(&md5ctx, (unsigned char*)Z_STRVAL_PP(tmp), Z_STRLEN_PP(tmp));
                                        }
                                        PHP_MD5Update(&md5ctx, (unsigned char*)":", 1);
                                        if (zend_hash_find(Z_OBJPROP_P(this_ptr), "_password", sizeof("_password"), (void **)&password) == SUCCESS &&
                                            Z_TYPE_PP(password) == IS_STRING) {
                                                PHP_MD5Update(&md5ctx, (unsigned char*)Z_STRVAL_PP(password), Z_STRLEN_PP(password));
                                        }
                                        PHP_MD5Final(hash, &md5ctx);
                                        make_digest(HA1, hash);
                                        if (zend_hash_find(Z_ARRVAL_PP(digest), "algorithm", sizeof("algorithm"), (void **)&tmp) == SUCCESS &&
                                            Z_TYPE_PP(tmp) == IS_STRING &&
                                            Z_STRLEN_PP(tmp) == sizeof("md5-sess")-1 &&
                                            stricmp(Z_STRVAL_PP(tmp), "md5-sess") == 0) {
                                                PHP_MD5Init(&md5ctx);
                                                PHP_MD5Update(&md5ctx, (unsigned char*)HA1, 32);
                                                PHP_MD5Update(&md5ctx, (unsigned char*)":", 1);
                                                if (zend_hash_find(Z_ARRVAL_PP(digest), "nonce", sizeof("nonce"), (void **)&tmp) == SUCCESS &&
                                                    Z_TYPE_PP(tmp) == IS_STRING) {
                                                        PHP_MD5Update(&md5ctx, (unsigned char*)Z_STRVAL_PP(tmp), Z_STRLEN_PP(tmp));
                                                }
                                                PHP_MD5Update(&md5ctx, (unsigned char*)":", 1);
                                                PHP_MD5Update(&md5ctx, (unsigned char*)cnonce, 8);
                                                PHP_MD5Final(hash, &md5ctx);
                                                make_digest(HA1, hash);
                                        }

                                        PHP_MD5Init(&md5ctx);
                                        PHP_MD5Update(&md5ctx, (unsigned char*)"POST:", sizeof("POST:")-1);
                                        if (phpurl->path) {
                                                PHP_MD5Update(&md5ctx, (unsigned char*)phpurl->path, strlen(phpurl->path));
                                        } else {
                                                PHP_MD5Update(&md5ctx, (unsigned char*)"/", 1);
                                        }
                                        if (phpurl->query) {
                                                PHP_MD5Update(&md5ctx, (unsigned char*)"?", 1);
                                                PHP_MD5Update(&md5ctx, (unsigned char*)phpurl->query, strlen(phpurl->query));
                                        }

                                        /* TODO: Support for qop="auth-int" */
/*
                                        if (zend_hash_find(Z_ARRVAL_PP(digest), "qop", sizeof("qop"), (void **)&tmp) == SUCCESS &&
                                            Z_TYPE_PP(tmp) == IS_STRING &&
                                            Z_STRLEN_PP(tmp) == sizeof("auth-int")-1 &&
                                            stricmp(Z_STRVAL_PP(tmp), "auth-int") == 0) {
                                                PHP_MD5Update(&md5ctx, ":", 1);
                                                PHP_MD5Update(&md5ctx, HEntity, HASHHEXLEN);
                                        }
*/
                                        PHP_MD5Final(hash, &md5ctx);
                                        make_digest(HA2, hash);

                                        PHP_MD5Init(&md5ctx);
                                        PHP_MD5Update(&md5ctx, (unsigned char*)HA1, 32);
                                        PHP_MD5Update(&md5ctx, (unsigned char*)":", 1);
                                        if (zend_hash_find(Z_ARRVAL_PP(digest), "nonce", sizeof("nonce"), (void **)&tmp) == SUCCESS &&
                                            Z_TYPE_PP(tmp) == IS_STRING) {
                                                PHP_MD5Update(&md5ctx, (unsigned char*)Z_STRVAL_PP(tmp), Z_STRLEN_PP(tmp));
                                        }
                                        PHP_MD5Update(&md5ctx, (unsigned char*)":", 1);
                                        if (zend_hash_find(Z_ARRVAL_PP(digest), "qop", sizeof("qop"), (void **)&tmp) == SUCCESS &&
                                            Z_TYPE_PP(tmp) == IS_STRING) {
                                                PHP_MD5Update(&md5ctx, (unsigned char*)nc, 8);
                                                PHP_MD5Update(&md5ctx, (unsigned char*)":", 1);
                                                PHP_MD5Update(&md5ctx, (unsigned char*)cnonce, 8);
                                                PHP_MD5Update(&md5ctx, (unsigned char*)":", 1);
                                                /* TODO: Support for qop="auth-int" */
                                                PHP_MD5Update(&md5ctx, (unsigned char*)"auth", sizeof("auth")-1);
                                                PHP_MD5Update(&md5ctx, (unsigned char*)":", 1);
                                        }
                                        PHP_MD5Update(&md5ctx, (unsigned char*)HA2, 32);
                                        PHP_MD5Final(hash, &md5ctx);
                                        make_digest(response, hash);
        
                                        smart_str_append_const(&soap_headers, "Authorization: Digest username=\"");
                                        smart_str_appendl(&soap_headers, Z_STRVAL_PP(login), Z_STRLEN_PP(login));
                                        if (zend_hash_find(Z_ARRVAL_PP(digest), "realm", sizeof("realm"), (void **)&tmp) == SUCCESS &&
                                            Z_TYPE_PP(tmp) == IS_STRING) {
                                                smart_str_append_const(&soap_headers, "\", realm=\"");
                                                smart_str_appendl(&soap_headers, Z_STRVAL_PP(tmp), Z_STRLEN_PP(tmp));
                                        }
                                        if (zend_hash_find(Z_ARRVAL_PP(digest), "nonce", sizeof("nonce"), (void **)&tmp) == SUCCESS &&
                                            Z_TYPE_PP(tmp) == IS_STRING) {
                                                smart_str_append_const(&soap_headers, "\", nonce=\"");
                                                smart_str_appendl(&soap_headers, Z_STRVAL_PP(tmp), Z_STRLEN_PP(tmp));
                                        }
                                        smart_str_append_const(&soap_headers, "\", uri=\"");
                                        if (phpurl->path) {
                                                smart_str_appends(&soap_headers, phpurl->path);
                                        } else {
                                                smart_str_appendc(&soap_headers, '/');
                                        } 
                                        if (phpurl->query) {
                                                smart_str_appendc(&soap_headers, '?');
                                                smart_str_appends(&soap_headers, phpurl->query);
                                        }
                                        if (phpurl->fragment) {
                                                smart_str_appendc(&soap_headers, '#');
                                                smart_str_appends(&soap_headers, phpurl->fragment);
                                        }
                                        if (zend_hash_find(Z_ARRVAL_PP(digest), "qop", sizeof("qop"), (void **)&tmp) == SUCCESS &&
                                            Z_TYPE_PP(tmp) == IS_STRING) {
                                        /* TODO: Support for qop="auth-int" */
                                                smart_str_append_const(&soap_headers, "\", qop=\"auth");
                                                smart_str_append_const(&soap_headers, "\", nc=\"");
                                                smart_str_appendl(&soap_headers, nc, 8);
                                                smart_str_append_const(&soap_headers, "\", cnonce=\"");
                                                smart_str_appendl(&soap_headers, cnonce, 8);
                                        }
                                        smart_str_append_const(&soap_headers, "\", response=\"");
                                        smart_str_appendl(&soap_headers, response, 32);
                                        if (zend_hash_find(Z_ARRVAL_PP(digest), "opaque", sizeof("opaque"), (void **)&tmp) == SUCCESS &&
                                            Z_TYPE_PP(tmp) == IS_STRING) {
                                                smart_str_append_const(&soap_headers, "\", opaque=\"");
                                                smart_str_appendl(&soap_headers, Z_STRVAL_PP(tmp), Z_STRLEN_PP(tmp));
                                        }
                                        if (zend_hash_find(Z_ARRVAL_PP(digest), "algorithm", sizeof("algorithm"), (void **)&tmp) == SUCCESS &&
                                                Z_TYPE_PP(tmp) == IS_STRING) {
                                                smart_str_append_const(&soap_headers, "\", algorithm=\"");
                                                smart_str_appendl(&soap_headers, Z_STRVAL_PP(tmp), Z_STRLEN_PP(tmp));
                                        }
                                        smart_str_append_const(&soap_headers, "\"\r\n");
                                }
                        } else {
                                unsigned char* buf;
                                int len;

                                smart_str auth = {0};
                                smart_str_appendl(&auth, Z_STRVAL_PP(login), Z_STRLEN_PP(login));
                                smart_str_appendc(&auth, ':');
                                if (zend_hash_find(Z_OBJPROP_P(this_ptr), "_password", sizeof("_password"), (void **)&password) == SUCCESS &&
                                    Z_TYPE_PP(password) == IS_STRING) {
                                        smart_str_appendl(&auth, Z_STRVAL_PP(password), Z_STRLEN_PP(password));
                                }
                                smart_str_0(&auth);
                                buf = php_base64_encode((unsigned char*)auth.c, auth.len, &len);
                                smart_str_append_const(&soap_headers, "Authorization: Basic ");
                                smart_str_appendl(&soap_headers, (char*)buf, len);
                                smart_str_append_const(&soap_headers, "\r\n");
                                efree(buf);
                                smart_str_free(&auth);
                        }
                }

                /* Proxy HTTP Authentication */
                if (use_proxy && !use_ssl) {
                        has_proxy_authorization = proxy_authentication(this_ptr, &soap_headers TSRMLS_CC);
                }

                /* Send cookies along with request */
                if (zend_hash_find(Z_OBJPROP_P(this_ptr), "_cookies", sizeof("_cookies"), (void **)&cookies) == SUCCESS) {
                        zval **data;
                        char *key;
                        int i, n;

                        has_cookies = 1;
                        n = zend_hash_num_elements(Z_ARRVAL_PP(cookies));
                        if (n > 0) {
                                zend_hash_internal_pointer_reset(Z_ARRVAL_PP(cookies));
                                smart_str_append_const(&soap_headers, "Cookie: ");
                                for (i = 0; i < n; i++) {
                                        zend_hash_get_current_data(Z_ARRVAL_PP(cookies), (void **)&data);
                                        zend_hash_get_current_key(Z_ARRVAL_PP(cookies), &key, NULL, FALSE);

                                        if (Z_TYPE_PP(data) == IS_ARRAY) {
                                          zval** value;

                                                if (zend_hash_index_find(Z_ARRVAL_PP(data), 0, (void**)&value) == SUCCESS &&
                                                    Z_TYPE_PP(value) == IS_STRING) {
                                                  zval **tmp;
                                                  if ((zend_hash_index_find(Z_ARRVAL_PP(data), 1, (void**)&tmp) == FAILURE ||
                                                       strncmp(phpurl->path?phpurl->path:"/",Z_STRVAL_PP(tmp),Z_STRLEN_PP(tmp)) == 0) &&
                                                      (zend_hash_index_find(Z_ARRVAL_PP(data), 2, (void**)&tmp) == FAILURE ||
                                                       in_domain(phpurl->host,Z_STRVAL_PP(tmp))) &&
                                                      (use_ssl || zend_hash_index_find(Z_ARRVAL_PP(data), 3, (void**)&tmp) == FAILURE)) {
                                                                smart_str_appendl(&soap_headers, key, strlen(key));
                                                                smart_str_appendc(&soap_headers, '=');
                                                                smart_str_appendl(&soap_headers, Z_STRVAL_PP(value), Z_STRLEN_PP(value));
                                                                smart_str_appendc(&soap_headers, ';');
                                                        }
                                                }
                                        }
                                        zend_hash_move_forward(Z_ARRVAL_PP(cookies));
                                }
                                smart_str_append_const(&soap_headers, "\r\n");
                        }
                }

                http_context_headers(context, has_authorization, has_proxy_authorization, has_cookies, &soap_headers TSRMLS_CC);

                smart_str_append_const(&soap_headers, "\r\n");
                smart_str_0(&soap_headers);
                if (zend_hash_find(Z_OBJPROP_P(this_ptr), "trace", sizeof("trace"), (void **) &trace) == SUCCESS &&
                    Z_LVAL_PP(trace) > 0) {
                        add_property_stringl(this_ptr, "__last_request_headers", soap_headers.c, soap_headers.len, 1);
                }
                smart_str_appendl(&soap_headers, request, request_size);
                smart_str_0(&soap_headers);

                err = php_stream_write(stream, soap_headers.c, soap_headers.len);
                if (err != soap_headers.len) {
                        if (request != buf) {efree(request);}
                        php_stream_close(stream);
                        zend_hash_del(Z_OBJPROP_P(this_ptr), "httpurl", sizeof("httpurl"));
                        zend_hash_del(Z_OBJPROP_P(this_ptr), "httpsocket", sizeof("httpsocket"));
                        zend_hash_del(Z_OBJPROP_P(this_ptr), "_use_proxy", sizeof("_use_proxy"));
                        add_soap_fault(this_ptr, "HTTP", "Failed Sending HTTP SOAP request", NULL, NULL TSRMLS_CC);
                        smart_str_free(&soap_headers_z);
                        return FALSE;
                }
                smart_str_free(&soap_headers);
        } else {
                add_soap_fault(this_ptr, "HTTP", "Failed to create stream??", NULL, NULL TSRMLS_CC);
                smart_str_free(&soap_headers_z);
                return FALSE;
        }

        if (!buffer) {
                php_stream_close(stream);
                zend_hash_del(Z_OBJPROP_P(this_ptr), "httpsocket", sizeof("httpsocket"));
                zend_hash_del(Z_OBJPROP_P(this_ptr), "_use_proxy", sizeof("_use_proxy"));
                smart_str_free(&soap_headers_z);
                return TRUE;
        }

        do {
                if (!get_http_headers(stream, &http_headers, &http_header_size TSRMLS_CC)) {
                        if (http_headers) {efree(http_headers);}
                        if (request != buf) {efree(request);}
                        php_stream_close(stream);
                        zend_hash_del(Z_OBJPROP_P(this_ptr), "httpsocket", sizeof("httpsocket"));
                        zend_hash_del(Z_OBJPROP_P(this_ptr), "_use_proxy", sizeof("_use_proxy"));
                        add_soap_fault(this_ptr, "HTTP", "Error Fetching http headers", NULL, NULL TSRMLS_CC);
                        smart_str_free(&soap_headers_z);
                        return FALSE;
                }

                if (zend_hash_find(Z_OBJPROP_P(this_ptr), "trace", sizeof("trace"), (void **) &trace) == SUCCESS &&
                    Z_LVAL_PP(trace) > 0) {
                        add_property_stringl(this_ptr, "__last_response_headers", http_headers, http_header_size, 1);
                }

                /* Check to see what HTTP status was sent */
                http_1_1 = 0;
                http_status = 0;
                http_version = get_http_header_value(http_headers,"HTTP/");
                if (http_version) {
                        char *tmp;

                        if (!strncmp(http_version,"1.1", 3)) {
                                http_1_1 = 1;
                        }

                        tmp = strstr(http_version," ");
                        if (tmp != NULL) {
                                tmp++;
                                http_status = atoi(tmp);
                        }
                        tmp = strstr(tmp," ");
                        if (tmp != NULL) {
                                tmp++;
                                if (http_msg) {
                                        efree(http_msg);
                                }
                                http_msg = estrdup(tmp);
                        }
                        efree(http_version);

                        /* Try and get headers again */
                        if (http_status == 100) {
                                efree(http_headers);
                        }
                }
        } while (http_status == 100);

        /* Grab and send back every cookie */

        /* Not going to worry about Path: because
           we shouldn't be changing urls so path dont
           matter too much
        */
        cookie_itt = strstr(http_headers,"Set-Cookie: ");
        while (cookie_itt) {
                char *end_pos, *cookie;
                char *eqpos, *sempos;
                zval **cookies;

                if (zend_hash_find(Z_OBJPROP_P(this_ptr), "_cookies", sizeof("_cookies"), (void **)&cookies) == FAILURE) {
                        zval *tmp_cookies;
                        MAKE_STD_ZVAL(tmp_cookies);
                        array_init(tmp_cookies);
                        zend_hash_update(Z_OBJPROP_P(this_ptr), "_cookies", sizeof("_cookies"), &tmp_cookies, sizeof(zval *), (void **)&cookies);
                }

                end_pos = strstr(cookie_itt,"\r\n");
                cookie = get_http_header_value(cookie_itt,"Set-Cookie: ");

                eqpos = strstr(cookie, "=");
                sempos = strstr(cookie, ";");
                if (eqpos != NULL && (sempos == NULL || sempos > eqpos)) {
                        smart_str name = {0};
                        int cookie_len;
                        zval *zcookie;

                        if (sempos != NULL) {
                                cookie_len = sempos-(eqpos+1);
                        } else {
                                cookie_len = strlen(cookie)-(eqpos-cookie)-1;
                        }

                        smart_str_appendl(&name, cookie, eqpos - cookie);
                        smart_str_0(&name);

                        ALLOC_INIT_ZVAL(zcookie);
                        array_init(zcookie);
                        add_index_stringl(zcookie, 0, eqpos + 1, cookie_len, 1);

                        if (sempos != NULL) {
                                char *options = cookie + cookie_len+1;
                                while (*options) {
                                        while (*options == ' ') {options++;}
                                        sempos = strstr(options, ";");
                                        if (strstr(options,"path=") == options) {
                                                eqpos = options + sizeof("path=")-1;
                                                add_index_stringl(zcookie, 1, eqpos, sempos?(sempos-eqpos):strlen(eqpos), 1);
                                        } else if (strstr(options,"domain=") == options) {
                                                eqpos = options + sizeof("domain=")-1;
                                                add_index_stringl(zcookie, 2, eqpos, sempos?(sempos-eqpos):strlen(eqpos), 1);
                                        } else if (strstr(options,"secure") == options) {
                                                add_index_bool(zcookie, 3, 1);
                                        }
                                        if (sempos != NULL) {
                                                options = sempos+1;
                                        } else {
                                          break;
                                        }
                                }
                        }
                        if (!zend_hash_index_exists(Z_ARRVAL_P(zcookie), 1)) {
                                char *t = phpurl->path?phpurl->path:"/";
                                char *c = strrchr(t, '/');
                                if (c) {
                                        add_index_stringl(zcookie, 1, t, c-t, 1);
                                }
                        }
                        if (!zend_hash_index_exists(Z_ARRVAL_P(zcookie), 2)) {
                                add_index_string(zcookie, 2, phpurl->host, 1);
                        }

                        add_assoc_zval_ex(*cookies, name.c, name.len+1, zcookie);
                        smart_str_free(&name);
                }

                cookie_itt = strstr(cookie_itt + sizeof("Set-Cookie: "), "Set-Cookie: ");
                efree(cookie);
        }

        /* See if the server requested a close */
        if (http_1_1) {
                http_close = FALSE;
                if (use_proxy && !use_ssl) {
                        connection = get_http_header_value(http_headers,"Proxy-Connection: ");
                        if (connection) {
                                if (strncasecmp(connection, "close", sizeof("close")-1) == 0) {
                                        http_close = TRUE;
                                }
                                efree(connection);
                        }
                }
                if (http_close == FALSE) {
                        connection = get_http_header_value(http_headers,"Connection: ");
                        if (connection) {
                                if (strncasecmp(connection, "close", sizeof("close")-1) == 0) {
                                        http_close = TRUE;
                                }
                                efree(connection);
                        }
                }
        } else {
                http_close = TRUE;
                if (use_proxy && !use_ssl) {
                        connection = get_http_header_value(http_headers,"Proxy-Connection: ");
                        if (connection) {
                                if (strncasecmp(connection, "Keep-Alive", sizeof("Keep-Alive")-1) == 0) {
                                        http_close = FALSE;
                                }
                                efree(connection);
                        }
                }
                if (http_close == TRUE) {
                        connection = get_http_header_value(http_headers,"Connection: ");
                        if (connection) {
                                if (strncasecmp(connection, "Keep-Alive", sizeof("Keep-Alive")-1) == 0) {
                                        http_close = FALSE;
                                }
                                efree(connection);
                        }
                }
        }       

        if (!get_http_body(stream, http_close, http_headers, &http_body, &http_body_size TSRMLS_CC)) {
                if (request != buf) {efree(request);}
                php_stream_close(stream);
                efree(http_headers);
                zend_hash_del(Z_OBJPROP_P(this_ptr), "httpsocket", sizeof("httpsocket"));
                zend_hash_del(Z_OBJPROP_P(this_ptr), "_use_proxy", sizeof("_use_proxy"));
                add_soap_fault(this_ptr, "HTTP", "Error Fetching http body, No Content-Length, connection closed or chunked data", NULL, NULL TSRMLS_CC);
                if (http_msg) {
                        efree(http_msg);
                }
                smart_str_free(&soap_headers_z);
                return FALSE;
        }

        if (request != buf) {efree(request);}

        if (http_close) {
                php_stream_close(stream);
                zend_hash_del(Z_OBJPROP_P(this_ptr), "httpsocket", sizeof("httpsocket"));
                zend_hash_del(Z_OBJPROP_P(this_ptr), "_use_proxy", sizeof("_use_proxy"));
                stream = NULL;
        }

        /* Process HTTP status codes */
        if (http_status >= 300 && http_status < 400) {
                char *loc;

                if ((loc = get_http_header_value(http_headers,"Location: ")) != NULL) {
                        php_url *new_url  = php_url_parse(loc);

                        if (new_url != NULL) {
                                efree(http_headers);
                                efree(http_body);
                                efree(loc);
                                if (new_url->scheme == NULL && new_url->path != NULL) {
                                        new_url->scheme = phpurl->scheme ? estrdup(phpurl->scheme) : NULL;
                                        new_url->host = phpurl->host ? estrdup(phpurl->host) : NULL;
                                        new_url->port = phpurl->port;
                                        if (new_url->path && new_url->path[0] != '/') {
                                                if (phpurl->path) {
                                                        char *t = phpurl->path;
                                                        char *p = strrchr(t, '/');
                                                        if (p) {
                                                                char *s = emalloc((p - t) + strlen(new_url->path) + 2);
                                                                strncpy(s, t, (p - t) + 1);
                                                                s[(p - t) + 1] = 0;
                                                                strcat(s, new_url->path);
                                                                efree(new_url->path);
                                                                new_url->path = s;
                                                        } 
                                                } else {
                                                        char *s = emalloc(strlen(new_url->path) + 2);
                                                        s[0] = '/'; s[1] = 0;
                                                        strcat(s, new_url->path);
                                                        efree(new_url->path);
                                                        new_url->path = s;
                                                }
                                        }
                                }
                                phpurl = new_url;

                                if (--redirect_max < 1) {
                                        add_soap_fault(this_ptr, "HTTP", "Redirection limit reached, aborting", NULL, NULL TSRMLS_CC);
                                        smart_str_free(&soap_headers_z);
                                        return FALSE;
                                }

                                goto try_again;
                        }
                }
        } else if (http_status == 401) {
                /* Digest authentication */
                zval **digest, **login, **password;
                char *auth = get_http_header_value(http_headers, "WWW-Authenticate: ");

                if (auth &&
                                strstr(auth, "Digest") == auth &&
                    (zend_hash_find(Z_OBJPROP_P(this_ptr), "_digest", sizeof("_digest"), (void **)&digest) == FAILURE ||
                     Z_TYPE_PP(digest) != IS_ARRAY) &&
                    zend_hash_find(Z_OBJPROP_P(this_ptr), "_login", sizeof("_login"), (void **)&login) == SUCCESS &&
                    Z_TYPE_PP(login) == IS_STRING &&
                    zend_hash_find(Z_OBJPROP_P(this_ptr), "_password", sizeof("_password"), (void **)&password) == SUCCESS &&
                    Z_TYPE_PP(password) == IS_STRING) {
                        char *s;
                        zval *digest = NULL;

                        s = auth + sizeof("Digest")-1;
                        while (*s != '\0') {
                                char *name, *val;
                                while (*s == ' ') ++s;
                                name = s;
                                while (*s != '\0' && *s != '=') ++s;
                                if (*s == '=') {
                                        *s = '\0';
                                        ++s;
                                        if (*s == '"') {
                                                ++s;
                                                val = s;
                                                while (*s != '\0' && *s != '"') ++s;
                                        } else {
                                                val = s;
                                                while (*s != '\0' && *s != ' ' && *s != ',') ++s;
                                        }
                                        if (*s != '\0') {
                                                if (*s != ',') {
                                                        *s = '\0';
                                                        ++s;
                                                        while (*s != '\0' && *s != ',') ++s;
                                                        if (*s != '\0') ++s;
                                                } else {
                                                        *s = '\0';
                                                        ++s;
                                                }
                                        }
                                        if (digest == NULL) {
                                                ALLOC_INIT_ZVAL(digest);
                                                array_init(digest);
                                        }
                                        add_assoc_string(digest, name, val ,1);
                                }
                        }

                        if (digest != NULL) {
                                php_url *new_url  = emalloc(sizeof(php_url));

                                Z_DELREF_P(digest);
                                add_property_zval_ex(this_ptr, "_digest", sizeof("_digest"), digest TSRMLS_CC);

                                *new_url = *phpurl;
                                if (phpurl->scheme) phpurl->scheme = estrdup(phpurl->scheme);
                                if (phpurl->user) phpurl->user = estrdup(phpurl->user);
                                if (phpurl->pass) phpurl->pass = estrdup(phpurl->pass);
                                if (phpurl->host) phpurl->host = estrdup(phpurl->host);
                                if (phpurl->path) phpurl->path = estrdup(phpurl->path);
                                if (phpurl->query) phpurl->query = estrdup(phpurl->query);
                                if (phpurl->fragment) phpurl->fragment = estrdup(phpurl->fragment);
                                phpurl = new_url;

                                efree(auth);
                                efree(http_headers);
                                efree(http_body);

                                goto try_again;
                        }
                }
                if (auth) efree(auth);
        }
        smart_str_free(&soap_headers_z);

        /* Check and see if the server even sent a xml document */
        content_type = get_http_header_value(http_headers,"Content-Type: ");
        if (content_type) {
                char *pos = NULL;
                int cmplen;
                pos = strstr(content_type,";");
                if (pos != NULL) {
                        cmplen = pos - content_type;
                } else {
                        cmplen = strlen(content_type);
                }
                if (strncmp(content_type, "text/xml", cmplen) == 0 ||
                    strncmp(content_type, "application/soap+xml", cmplen) == 0) {
                        content_type_xml = 1;
/*
                        if (strncmp(http_body, "<?xml", 5)) {
                                zval *err;
                                MAKE_STD_ZVAL(err);
                                ZVAL_STRINGL(err, http_body, http_body_size, 1);
                                add_soap_fault(this_ptr, "HTTP", "Didn't recieve an xml document", NULL, err TSRMLS_CC);
                                efree(content_type);
                                efree(http_headers);
                                efree(http_body);
                                return FALSE;
                        }
*/
                }
                efree(content_type);
        }

        /* Decompress response */
        content_encoding = get_http_header_value(http_headers,"Content-Encoding: ");
        if (content_encoding) {
                zval func;
                zval retval;
          zval param;
                zval *params[1];

                if ((strcmp(content_encoding,"gzip") == 0 ||
                     strcmp(content_encoding,"x-gzip") == 0) &&
                     zend_hash_exists(EG(function_table), "gzinflate", sizeof("gzinflate"))) {
                        ZVAL_STRING(&func, "gzinflate", 0);
                        params[0] = &param;
                        ZVAL_STRINGL(params[0], http_body+10, http_body_size-10, 0);
                        INIT_PZVAL(params[0]);
                } else if (strcmp(content_encoding,"deflate") == 0 &&
                           zend_hash_exists(EG(function_table), "gzuncompress", sizeof("gzuncompress"))) {
                        ZVAL_STRING(&func, "gzuncompress", 0);
                        params[0] = &param;
                        ZVAL_STRINGL(params[0], http_body, http_body_size, 0);
                        INIT_PZVAL(params[0]);
                } else {
                        efree(content_encoding);
                        efree(http_headers);
                        efree(http_body);
                        if (http_msg) {
                                efree(http_msg);
                        }
                        add_soap_fault(this_ptr, "HTTP", "Unknown Content-Encoding", NULL, NULL TSRMLS_CC);
                        return FALSE;
                }
                if (call_user_function(CG(function_table), (zval**)NULL, &func, &retval, 1, params TSRMLS_CC) == SUCCESS &&
                    Z_TYPE(retval) == IS_STRING) {
                        efree(http_body);
                        *buffer = Z_STRVAL(retval);
                        *buffer_len = Z_STRLEN(retval);
                } else {
                        efree(content_encoding);
                        efree(http_headers);
                        efree(http_body);
                        add_soap_fault(this_ptr, "HTTP", "Can't uncompress compressed response", NULL, NULL TSRMLS_CC);
                        if (http_msg) {
                                efree(http_msg);
                        }
                        return FALSE;
                }
                efree(content_encoding);
        } else {
                *buffer = http_body;
                *buffer_len = http_body_size;
        }

        efree(http_headers);

        if (http_status >= 400) {
                int error = 0;

                if (*buffer_len == 0) {
                        error = 1;
                } else if (*buffer_len > 0) {
                        if (!content_type_xml) {
                                char *s = *buffer;

                                while (*s != '\0' && *s < ' ') {
                                        s++;
                                }
                                if (strncmp(s, "<?xml", 5)) {
                                        error = 1;
                                }
                        }
                }

                if (error) {
                        efree(*buffer);
                        add_soap_fault(this_ptr, "HTTP", http_msg, NULL, NULL TSRMLS_CC);
                        efree(http_msg);
                        return FALSE;
                }
        }

        if (http_msg) {
                efree(http_msg);
        }

        return TRUE;
}

static char *get_http_header_value(char *headers, char *type)
{
        char *pos, *tmp = NULL;
        int typelen, headerslen;

        typelen = strlen(type);
        headerslen = strlen(headers);

        /* header `titles' can be lower case, or any case combination, according
         * to the various RFC's. */
        pos = headers;
        do {
                /* start of buffer or start of line */
                if (strncasecmp(pos, type, typelen) == 0) {
                        char *eol;

                        /* match */
                        tmp = pos + typelen;
                        eol = strchr(tmp, '\n');
                        if (eol == NULL) {
                                eol = headers + headerslen;
                        } else if (eol > tmp && *(eol-1) == '\r') {
                                eol--;
                        }
                        return estrndup(tmp, eol - tmp);
                }

                /* find next line */
                pos = strchr(pos, '\n');
                if (pos) {
                        pos++;
                }

        } while (pos);

        return NULL;
}

static int get_http_body(php_stream *stream, int close, char *headers,  char **response, int *out_size TSRMLS_DC)
{
        char *header, *http_buf = NULL;
        int header_close = close, header_chunked = 0, header_length = 0, http_buf_size = 0;

        if (!close) {
                header = get_http_header_value(headers, "Connection: ");
                if (header) {
                        if(!strncasecmp(header, "close", sizeof("close")-1)) header_close = 1;
                        efree(header);
                }
        }
        header = get_http_header_value(headers, "Transfer-Encoding: ");
        if (header) {
                if(!strncasecmp(header, "chunked", sizeof("chunked")-1)) header_chunked = 1;
                efree(header);
        }
        header = get_http_header_value(headers, "Content-Length: ");
        if (header) {
                header_length = atoi(header);
                efree(header);
                if (!header_length && !header_chunked) {
                        /* Empty response */
                        http_buf = emalloc(1);
                        http_buf[0] = '\0';
                        (*response) = http_buf;
                        (*out_size) = 0;
                        return TRUE;
                }
        }

        if (header_chunked) {
                char ch, done, headerbuf[8192];

                done = FALSE;

                while (!done) {
                        int buf_size = 0;

                        php_stream_gets(stream, headerbuf, sizeof(headerbuf));
                        if (sscanf(headerbuf, "%x", &buf_size) > 0 ) {
                                if (buf_size > 0) {
                                        int len_size = 0;

                                        if (http_buf_size + buf_size + 1 < 0) {
                                                efree(http_buf);
                                                return FALSE;
                                        }
                                        http_buf = erealloc(http_buf, http_buf_size + buf_size + 1);

                                        while (len_size < buf_size) {
                                                int len_read = php_stream_read(stream, http_buf + http_buf_size, buf_size - len_size);
                                                if (len_read <= 0) {
                                                        /* Error or EOF */
                                                        done = TRUE;
                                                  break;
                                                }
                                                len_size += len_read;
                                                http_buf_size += len_read;
                                        }

                                        /* Eat up '\r' '\n' */
                                        ch = php_stream_getc(stream);
                                        if (ch == '\r') {
                                                ch = php_stream_getc(stream);
                                        }
                                        if (ch != '\n') {
                                                /* Somthing wrong in chunked encoding */
                                                if (http_buf) {
                                                        efree(http_buf);
                                                }
                                                return FALSE;
                                        }
                                }
                        } else {
                                /* Somthing wrong in chunked encoding */
                                if (http_buf) {
                                        efree(http_buf);
                                }
                                return FALSE;
                        }
                        if (buf_size == 0) {
                                done = TRUE;
                        }
                }

                /* Ignore trailer headers */
                while (1) {
                        if (!php_stream_gets(stream, headerbuf, sizeof(headerbuf))) {
                                break;
                        }

                        if ((headerbuf[0] == '\r' && headerbuf[1] == '\n') ||
                            (headerbuf[0] == '\n')) {
                                /* empty line marks end of headers */
                                break;
                        }
                }

                if (http_buf == NULL) {
                        http_buf = emalloc(1);
                }

        } else if (header_length) {
                if (header_length < 0 || header_length >= INT_MAX) {
                        return FALSE;
                }
                http_buf = safe_emalloc(1, header_length, 1);
                while (http_buf_size < header_length) {
                        int len_read = php_stream_read(stream, http_buf + http_buf_size, header_length - http_buf_size);
                        if (len_read <= 0) {
                                break;
                        }
                        http_buf_size += len_read;
                }
        } else if (header_close) {
                do {
                        int len_read;
                        http_buf = erealloc(http_buf, http_buf_size + 4096 + 1);
                        len_read = php_stream_read(stream, http_buf + http_buf_size, 4096);
                        if (len_read > 0) {
                                http_buf_size += len_read;
                        }
                } while(!php_stream_eof(stream));
        } else {
                return FALSE;
        }

        http_buf[http_buf_size] = '\0';
        (*response) = http_buf;
        (*out_size) = http_buf_size;
        return TRUE;
}

static int get_http_headers(php_stream *stream, char **response, int *out_size TSRMLS_DC)
{
        int done = FALSE;
        smart_str tmp_response = {0};
        char headerbuf[8192];

        while (!done) {
                if (!php_stream_gets(stream, headerbuf, sizeof(headerbuf))) {
                        break;
                }

                if ((headerbuf[0] == '\r' && headerbuf[1] == '\n') ||
                    (headerbuf[0] == '\n')) {
                        /* empty line marks end of headers */
                        done = TRUE;
                        break;
                }

                /* add header to collection */
                smart_str_appends(&tmp_response, headerbuf);
        }
        smart_str_0(&tmp_response);
        (*response) = tmp_response.c;
        (*out_size) = tmp_response.len;
        return done;
}
/*
 * Local variables:
 * tab-width: 4
 * c-basic-offset: 4
 * End:
 * vim600: sw=4 ts=4 fdm=marker
 * vim<600: sw=4 ts=4
 */

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