- solve that another way
[m6w6/ext-http] / http_functions.c
index 39327d10f4fa76f8292b0457a989f001ec42a466..f03398c4100ebfd242bbe48f34ec0d97c3455dba 100644 (file)
@@ -6,27 +6,22 @@
     | modification, are permitted provided that the conditions mentioned |
     | in the accompanying LICENSE file are met.                          |
     +--------------------------------------------------------------------+
-    | Copyright (c) 2004-2005, Michael Wallner <mike@php.net>            |
+    | Copyright (c) 2004-2006, Michael Wallner <mike@php.net>            |
     +--------------------------------------------------------------------+
 */
 
 /* $Id$ */
 
-#ifdef HAVE_CONFIG_H
-#      include "config.h"
-#endif
-
+#define HTTP_WANT_SAPI
 #define HTTP_WANT_CURL
 #define HTTP_WANT_ZLIB
 #include "php_http.h"
 
-#include "SAPI.h"
 #include "php_ini.h"
-#include "ext/standard/info.h"
 #include "ext/standard/php_string.h"
 #include "zend_operators.h"
 
-#if defined(HAVE_PHP_SESSION) && !defined(COMPILE_DL_SESSION)
+#ifdef HAVE_PHP_SESSION
 #      include "ext/session/php_session.h"
 #endif
 
 #include "php_http_send_api.h"
 #include "php_http_url_api.h"
 
-ZEND_EXTERN_MODULE_GLOBALS(http)
-
 /* {{{ proto string http_date([int timestamp])
  *
  * Compose a valid HTTP date regarding RFC 822/1123
  * looking like: "Wed, 22 Dec 2004 11:34:47 GMT"
  *
- * Takes an optional unix timestamp as parameter.
- *  
+ * Accepts an optional unix timestamp as parameter.
+ *
  * Returns the HTTP date as string.
  */
 PHP_FUNCTION(http_date)
@@ -61,14 +54,14 @@ PHP_FUNCTION(http_date)
        }
 
        if (t == -1) {
-               t = (long) time(NULL);
+               t = (long) HTTP_GET_REQUEST_TIME();
        }
 
        RETURN_STRING(http_date(t), 0);
 }
 /* }}} */
 
-/* {{{ proto string http_build_url(mixed url[, mixed parts[, array new_url]])
+/* {{{ proto string http_build_url(mixed url[, mixed parts[, int flags = HTTP_URL_REPLACE[, array &new_url]]])
  *
  * Returns the new URL as string on success or FALSE on failure.
  */
@@ -76,10 +69,11 @@ PHP_FUNCTION(http_build_url)
 {
        char *url_str = NULL;
        size_t url_len = 0;
+       long flags = HTTP_URL_REPLACE;
        zval *z_old_url = NULL, *z_new_url = NULL, *z_composed_url = NULL;
        php_url *old_url = NULL, *new_url = NULL, *composed_url = NULL;
 
-       if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z/|z/z", &z_old_url, &z_new_url, &z_composed_url) != SUCCESS) {
+       if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z/|z/lz", &z_old_url, &z_new_url, &flags, &z_composed_url) != SUCCESS) {
                RETURN_FALSE;
        }
        
@@ -89,6 +83,7 @@ PHP_FUNCTION(http_build_url)
                } else {
                        convert_to_string(z_new_url);
                        if (!(new_url = php_url_parse_ex(Z_STRVAL_P(z_new_url), Z_STRLEN_P(z_new_url)))) {
+                               http_error_ex(HE_WARNING, HTTP_E_URL, "Could not parse URL (%s)", Z_STRVAL_P(z_new_url));
                                RETURN_FALSE;
                        }
                }
@@ -102,12 +97,13 @@ PHP_FUNCTION(http_build_url)
                        if (new_url) {
                                php_url_free(new_url);
                        }
+                       http_error_ex(HE_WARNING, HTTP_E_URL, "Could not parse URL (%s)", Z_STRVAL_P(z_old_url));
                        RETURN_FALSE;
                }
        }
        
        if (z_composed_url) {
-               http_build_url(old_url, new_url, &composed_url, &url_str, &url_len);
+               http_build_url(flags, old_url, new_url, &composed_url, &url_str, &url_len);
                
                zval_dtor(z_composed_url);
                array_init(z_composed_url);
@@ -137,7 +133,7 @@ PHP_FUNCTION(http_build_url)
                }
                php_url_free(composed_url);
        } else {
-               http_build_url(old_url, new_url, NULL, &url_str, &url_len);
+               http_build_url(flags, old_url, new_url, NULL, &url_str, &url_len);
        }
        
        if (new_url) {
@@ -149,6 +145,40 @@ PHP_FUNCTION(http_build_url)
 }
 /* }}} */
 
+/* {{{ proto string http_build_str(array query [, string prefix[, string arg_separator]])
+ *
+ * Opponent to parse_str().
+ */
+PHP_FUNCTION(http_build_str)
+{
+       zval *formdata;
+       char *prefix = NULL, *arg_sep = INI_STR("arg_separator.output");
+       int prefix_len = 0, arg_sep_len = strlen(arg_sep);
+       phpstr formstr;
+
+       if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "a|ss", &formdata, &prefix, &prefix_len, &arg_sep, &arg_sep_len) != SUCCESS) {
+               RETURN_FALSE;
+       }
+
+       if (!arg_sep_len) {
+               arg_sep = HTTP_URL_ARGSEP;
+               arg_sep_len = lenof(HTTP_URL_ARGSEP);
+       }
+
+       phpstr_init(&formstr);
+       if (SUCCESS != http_urlencode_hash_recursive(HASH_OF(formdata), &formstr, arg_sep, arg_sep_len, prefix, prefix_len)) {
+               RETURN_FALSE;
+       }
+
+       if (!formstr.used) {
+               phpstr_dtor(&formstr);
+               RETURN_NULL();
+       }
+
+       RETURN_PHPSTR_VAL(&formstr);
+}
+/* }}} */
+
 #define HTTP_DO_NEGOTIATE(type, supported, rs_array) \
 { \
        HashTable *result; \
@@ -376,7 +406,7 @@ PHP_FUNCTION(http_send_last_modified)
        }
 
        if (t == -1) {
-               t = (long) time(NULL);
+               t = (long) HTTP_GET_REQUEST_TIME();
        }
 
        RETURN_SUCCESS(http_send_last_modified(t));
@@ -456,7 +486,7 @@ PHP_FUNCTION(http_match_modified)
 
        // current time if not supplied (senseless though)
        if (t == -1) {
-               t = (long) time(NULL);
+               t = (long) HTTP_GET_REQUEST_TIME();
        }
 
        if (for_range) {
@@ -524,7 +554,7 @@ PHP_FUNCTION(http_cache_last_modified)
        
        HTTP_CHECK_HEADERS_SENT(RETURN_FALSE);
 
-       t = (long) time(NULL);
+       t = (long) HTTP_GET_REQUEST_TIME();
 
        /* 0 or omitted */
        if (!last_modified) {
@@ -603,8 +633,6 @@ PHP_FUNCTION(ob_etaghandler)
  * Provides a basic throttling mechanism, which will yield the current process
  * resp. thread until the entity has been completely sent, though.
  * 
- * Note: This doesn't really work with the FastCGI SAPI.
- *
  * Expects a double parameter specifying the seconds too sleep() after
  * each chunk sent.  Additionally accepts an optional int parameter
  * representing the chunk size in bytes.
@@ -638,21 +666,23 @@ PHP_FUNCTION(http_throttle)
  *
  * Redirect to the given url.
  *  
- * The supplied url will be expanded with http_build_uri(), the params array will
+ * The supplied url will be expanded with http_build_url(), the params array will
  * be treated with http_build_query() and the session identification will be appended
  * if session is true.
  *
  * The HTTP response code will be set according to status.
  * You can use one of the following constants for convenience:
- *  - HTTP_REDIRECT                    302 Found
+ *  - HTTP_REDIRECT                    302 Found for GET/HEAD, else 303 See Other
  *  - HTTP_REDIRECT_PERM       301 Moved Permanently
+ *  - HTTP_REDIRECT_FOUND      302 Found
  *  - HTTP_REDIRECT_POST       303 See Other
+ *  - HTTP_REDIRECT_PROXY      305 Use Proxy
  *  - HTTP_REDIRECT_TEMP       307 Temporary Redirect
  *
  * Please see http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3
  * for which redirect response code to use in which situation.
  *
- * To be RFC compliant, "Redirecting to <a>URI</a>." will be displayed,
+ * To be RFC compliant, "Redirecting to <a>URL</a>." will be displayed,
  * if the client doesn't redirect immediatly, and the request method was
  * another one than HEAD.
  * 
@@ -667,13 +697,14 @@ PHP_FUNCTION(http_redirect)
        size_t query_len = 0;
        zend_bool session = 0, free_params = 0;
        zval *params = NULL;
-       long status = 302;
+       long status = HTTP_REDIRECT;
        char *query = NULL, *url = NULL, *URI, *LOC, *RED = NULL;
 
        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|sa!/bl", &url, &url_len, &params, &session, &status) != SUCCESS) {
                RETURN_FALSE;
        }
 
+#ifdef HAVE_PHP_SESSION
        /* append session info */
        if (session) {
                if (!params) {
@@ -681,39 +712,13 @@ PHP_FUNCTION(http_redirect)
                        MAKE_STD_ZVAL(params);
                        array_init(params);
                }
-#ifdef HAVE_PHP_SESSION
-#      ifdef COMPILE_DL_SESSION
-               if (SUCCESS == zend_get_module_started("session")) {
-                       zval nm_retval, id_retval, func;
-                       
-                       INIT_PZVAL(&func);
-                       INIT_PZVAL(&nm_retval);
-                       INIT_PZVAL(&id_retval);
-                       ZVAL_NULL(&nm_retval);
-                       ZVAL_NULL(&id_retval);
-                       
-                       ZVAL_STRINGL(&func, "session_id", lenof("session_id"), 0);
-                       call_user_function(EG(function_table), NULL, &func, &id_retval, 0, NULL TSRMLS_CC);
-                       ZVAL_STRINGL(&func, "session_name", lenof("session_name"), 0);
-                       call_user_function(EG(function_table), NULL, &func, &nm_retval, 0, NULL TSRMLS_CC);
-                       
-                       if (    Z_TYPE(nm_retval) == IS_STRING && Z_STRLEN(nm_retval) &&
-                                       Z_TYPE(id_retval) == IS_STRING && Z_STRLEN(id_retval)) {
-                               if (add_assoc_stringl_ex(params, Z_STRVAL(nm_retval), Z_STRLEN(nm_retval)+1, 
-                                               Z_STRVAL(id_retval), Z_STRLEN(id_retval), 0) != SUCCESS) {
-                                       http_error(HE_WARNING, HTTP_E_RUNTIME, "Could not append session information");
-                               }
-                       }
-               }
-#      else
                if (PS(session_status) == php_session_active) {
                        if (add_assoc_string(params, PS(session_name), PS(id), 1) != SUCCESS) {
                                http_error(HE_WARNING, HTTP_E_RUNTIME, "Could not append session information");
                        }
                }
-#      endif
-#endif
        }
+#endif
 
        /* treat params array with http_build_query() */
        if (params) {
@@ -733,12 +738,12 @@ PHP_FUNCTION(http_redirect)
 
        if (query_len) {
                spprintf(&LOC, 0, "Location: %s?%s", URI, query);
-               if (SG(request_info).request_method && strcmp(SG(request_info).request_method, "HEAD")) {
+               if (status != 300) {
                        spprintf(&RED, 0, "Redirecting to <a href=\"%s?%s\">%s?%s</a>.\n", URI, query, URI, query);
                }
        } else {
                spprintf(&LOC, 0, "Location: %s", URI);
-               if (SG(request_info).request_method && strcmp(SG(request_info).request_method, "HEAD")) {
+               if (status != 300) {
                        spprintf(&RED, 0, "Redirecting to <a href=\"%s\">%s</a>.\n", URI, URI);
                }
        }
@@ -751,7 +756,36 @@ PHP_FUNCTION(http_redirect)
                zval_dtor(params);
                FREE_ZVAL(params);
        }
-
+       
+       switch (status)
+       {
+               case 300:
+                       RETVAL_SUCCESS(http_send_status_header(status, LOC));
+                       efree(LOC);
+                       return;
+               break;
+               
+               case HTTP_REDIRECT_PERM:
+               case HTTP_REDIRECT_FOUND:
+               case HTTP_REDIRECT_POST:
+               case HTTP_REDIRECT_PROXY:
+               case HTTP_REDIRECT_TEMP:
+               break;
+               
+               case 306:
+               default:
+                       http_error_ex(HE_NOTICE, HTTP_E_RUNTIME, "Unsupported redirection status code: %ld", status);
+               case HTTP_REDIRECT:
+                       if (    SG(request_info).request_method && 
+                                       strcasecmp(SG(request_info).request_method, "HEAD") &&
+                                       strcasecmp(SG(request_info).request_method, "GET")) {
+                               status = HTTP_REDIRECT_POST;
+                       } else {
+                               status = HTTP_REDIRECT_FOUND;
+                       }
+               break;
+       }
+       
        RETURN_SUCCESS(http_exit_ex(status, LOC, RED, 1));
 }
 /* }}} */
@@ -1016,7 +1050,10 @@ PHP_FUNCTION(http_get_request_headers)
  *
  * Get the raw request body (e.g. POST or PUT data).
  * 
- * Returns NULL when using the CLI SAPI.
+ * This function can not be used after http_get_request_body_stream() 
+ * if the request method was another than POST.
+ * 
+ * Returns the raw request body as string on success or NULL on failure.
  */
 PHP_FUNCTION(http_get_request_body)
 {
@@ -1033,6 +1070,29 @@ PHP_FUNCTION(http_get_request_body)
 }
 /* }}} */
 
+/* {{{ proto resource http_get_request_body_stream(void)
+ *
+ * Create a stream to read the raw request body (e.g. POST or PUT data).
+ * 
+ * This function can only be used once if the request method was another than POST.
+ * 
+ * Returns the raw request body as stream on success or NULL on failure.
+ */
+PHP_FUNCTION(http_get_request_body_stream)
+{
+       php_stream *s;
+       
+       NO_ARGS;
+       
+       if ((s = http_get_request_body_stream())) {
+               php_stream_to_zval(s, return_value);
+       } else {
+               http_error(HE_WARNING, HTTP_E_RUNTIME, "Failed to create request body stream");
+               RETURN_NULL();
+       }
+}
+/* }}} */
+
 /* {{{ proto bool http_match_request_header(string header, string value[, bool match_case = false])
  *
  * Match an incoming HTTP header.
@@ -1464,7 +1524,7 @@ PHP_FUNCTION(http_request_method_unregister)
                        if (is_numeric_string(Z_STRVAL_P(method), Z_STRLEN_P(method), NULL, NULL, 1)) {
                                convert_to_long(method);
                        } else {
-                               ulong mn;
+                               int mn;
                                if (!(mn = http_request_method_exists(1, 0, Z_STRVAL_P(method)))) {
                                        RETURN_FALSE;
                                }
@@ -1507,7 +1567,7 @@ PHP_FUNCTION(http_request_method_exists)
                                        RETURN_LONG((long) http_request_method_exists(1, 0, Z_STRVAL_P(method)));
                                }
                        case IS_LONG:
-                               RETURN_LONG((long) http_request_method_exists(0, Z_LVAL_P(method), NULL));
+                               RETURN_LONG((long) http_request_method_exists(0, (int) Z_LVAL_P(method), NULL));
                        default:
                                RETURN_FALSE;
                }
@@ -1532,48 +1592,10 @@ PHP_FUNCTION(http_request_method_name)
                        RETURN_FALSE;
                }
 
-               RETURN_STRING(estrdup(http_request_method_name((ulong) method)), 0);
-       }
-}
-/* }}} */
-
-/* {{{ Sara Golemons http_build_query() */
-#ifndef ZEND_ENGINE_2
-
-/* {{{ proto string http_build_query(mixed formdata [, string prefix[, string arg_separator]])
-   Generates a form-encoded query string from an associative array or object. */
-PHP_FUNCTION(http_build_query)
-{
-       zval *formdata;
-       char *prefix = NULL, *arg_sep = INI_STR("arg_separator.output");
-       int prefix_len = 0, arg_sep_len = strlen(arg_sep);
-       phpstr *formstr;
-
-       if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "a|ss", &formdata, &prefix, &prefix_len, &arg_sep, &arg_sep_len) != SUCCESS) {
-               RETURN_FALSE;
-       }
-
-       if (!arg_sep_len) {
-               arg_sep = HTTP_URL_ARGSEP;
-               arg_sep_len = lenof(HTTP_URL_ARGSEP);
+               RETURN_STRING(estrdup(http_request_method_name((int) method)), 0);
        }
-
-       formstr = phpstr_new();
-       if (SUCCESS != http_urlencode_hash_recursive(HASH_OF(formdata), formstr, arg_sep, arg_sep_len, prefix, prefix_len)) {
-               phpstr_free(&formstr);
-               RETURN_FALSE;
-       }
-
-       if (!formstr->used) {
-               phpstr_free(&formstr);
-               RETURN_NULL();
-       }
-
-       RETURN_PHPSTR_PTR(formstr);
 }
 /* }}} */
-#endif /* !ZEND_ENGINE_2 */
-/* }}} */
 
 /* {{{ */
 #ifdef HTTP_HAVE_ZLIB
@@ -1596,13 +1618,11 @@ PHP_FUNCTION(http_deflate)
        RETVAL_NULL();
        
        if (SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|l", &data, &data_len, &flags)) {
-               {
-                       char *encoded;
-                       size_t encoded_len;
-                       
-                       if (SUCCESS == http_encoding_deflate(flags, data, data_len, &encoded, &encoded_len)) {
-                               RETURN_STRINGL(encoded, (int) encoded_len, 0);
-                       }
+               char *encoded;
+               size_t encoded_len;
+               
+               if (SUCCESS == http_encoding_deflate(flags, data, data_len, &encoded, &encoded_len)) {
+                       RETURN_STRINGL(encoded, (int) encoded_len, 0);
                }
        }
 }
@@ -1635,6 +1655,47 @@ PHP_FUNCTION(http_inflate)
 }
 /* }}} */
 
+/* {{{ proto string ob_deflatehandler(string data, int mode)
+ *
+ * For use with ob_start(). The deflate output buffer handler can only be used once.
+ * It conflicts with ob_gzhanlder and zlib.output_compression as well and should
+ * not be used after ext/mbstrings mb_output_handler and ext/sessions URL-Rewriter (AKA
+ * session.use_trans_sid).
+ */
+PHP_FUNCTION(ob_deflatehandler)
+{
+       char *data;
+       int data_len;
+       long mode;
+
+       if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sl", &data, &data_len, &mode)) {
+               RETURN_FALSE;
+       }
+
+       http_ob_deflatehandler(data, data_len, &Z_STRVAL_P(return_value), (uint *) &Z_STRLEN_P(return_value), mode);
+       Z_TYPE_P(return_value) = Z_STRVAL_P(return_value) ? IS_STRING : IS_NULL;
+}
+/* }}} */
+
+/* {{{ proto string ob_inflatehandler(string data, int mode)
+ *
+ * For use with ob_start().  Same restrictions as with ob_deflatehandler apply.
+ */
+PHP_FUNCTION(ob_inflatehandler)
+{
+       char *data;
+       int data_len;
+       long mode;
+       
+       if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sl", &data, &data_len, &mode)) {
+               RETURN_FALSE;
+       }
+       
+       http_ob_inflatehandler(data, data_len, &Z_STRVAL_P(return_value), (uint *) &Z_STRLEN_P(return_value), mode);
+       Z_TYPE_P(return_value) = Z_STRVAL_P(return_value) ? IS_STRING : IS_NULL;
+}
+/* }}} */
+
 #endif /* HTTP_HAVE_ZLIB */
 /* }}} */