- proper type checking, thanks Sara
[m6w6/ext-http] / http_api.c
index b36a32d3a090abdaeacde9cacbe8be1740f37a80..6f6c5d63993175d7fbc080c12461c6d64307ddf8 100644 (file)
@@ -1,16 +1,13 @@
 /*
-   +----------------------------------------------------------------------+
-   | PECL :: http                                                         |
-   +----------------------------------------------------------------------+
-   | This source file is subject to version 3.0 of the PHP license, that  |
-   | is bundled with this package in the file LICENSE, and is available   |
-   | through the world-wide-web at http://www.php.net/license/3_0.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.               |
-   +----------------------------------------------------------------------+
-   | Copyright (c) 2004-2005 Michael Wallner <mike@php.net>               |
-   +----------------------------------------------------------------------+
+    +--------------------------------------------------------------------+
+    | PECL :: http                                                       |
+    +--------------------------------------------------------------------+
+    | Redistribution and use in source and binary forms, with or without |
+    | modification, are permitted provided that the conditions mentioned |
+    | in the accompanying LICENSE file are met.                          |
+    +--------------------------------------------------------------------+
+    | Copyright (c) 2004-2005, Michael Wallner <mike@php.net>            |
+    +--------------------------------------------------------------------+
 */
 
 /* $Id$ */
 #ifdef HAVE_CONFIG_H
 #      include "config.h"
 #endif
-#include "php.h"
+
+#include "php_http.h"
 
 #include "SAPI.h"
+#include "php_output.h"
 #include "ext/standard/url.h"
+#include "ext/standard/head.h"
 
-#include "php_http.h"
-#include "php_http_std_defs.h"
 #include "php_http_api.h"
-#include "php_http_headers_api.h"
 #include "php_http_send_api.h"
 
 #ifdef ZEND_ENGINE_2
-#      include "zend_exceptions.h"
 #      include "php_http_exception_object.h"
 #endif
 
-#include <ctype.h>
-
 ZEND_EXTERN_MODULE_GLOBALS(http);
 
+PHP_MINIT_FUNCTION(http_support)
+{
+       HTTP_LONG_CONSTANT("HTTP_SUPPORT", HTTP_SUPPORT);
+       HTTP_LONG_CONSTANT("HTTP_SUPPORT_REQUESTS", HTTP_SUPPORT_REQUESTS);
+       HTTP_LONG_CONSTANT("HTTP_SUPPORT_MAGICMIME", HTTP_SUPPORT_MAGICMIME);
+       HTTP_LONG_CONSTANT("HTTP_SUPPORT_ENCODINGS", HTTP_SUPPORT_ENCODINGS);
+       HTTP_LONG_CONSTANT("HTTP_SUPPORT_SSLREQUESTS", HTTP_SUPPORT_SSLREQUESTS);
+       
+       return SUCCESS;
+}
+
+PHP_HTTP_API long _http_support(long feature)
+{
+       long support = HTTP_SUPPORT;
+       
+#ifdef HTTP_HAVE_CURL
+       support |= HTTP_SUPPORT_REQUESTS;
+#      ifdef HTTP_HAVE_SSL
+       support |= HTTP_SUPPORT_SSLREQUESTS;
+#      endif
+#endif
+#ifdef HTTP_HAVE_MAGIC
+       support |= HTTP_SUPPORT_MAGICMIME;
+#endif
+#if defined(HTTP_HAVE_ZLIB) || defined(HAVE_ZLIB)
+       support |= HTTP_SUPPORT_ENCODINGS;
+#endif
+
+       if (feature) {
+               return (feature == (support & feature));
+       }
+       return support;
+}
+
 /* char *pretty_key(char *, size_t, zend_bool, zend_bool) */
 char *_http_pretty_key(char *key, size_t key_len, zend_bool uctitle, zend_bool xhyphen)
 {
        if (key && key_len) {
                size_t i;
                int wasalpha;
-               if (wasalpha = isalpha((int) key[0])) {
+               if ((wasalpha = isalpha((int) key[0]))) {
                        key[0] = (char) (uctitle ? toupper((int) key[0]) : tolower((int) key[0]));
                }
                for (i = 1; i < key_len; i++) {
@@ -78,7 +106,7 @@ STATUS _http_parse_key_list(const char *list, HashTable *items, char separator,
        int vallen = 0, keylen = 0, done = 0;
        zval array;
 
-       Z_ARRVAL(array) = items;
+       INIT_ZARR(array, items);
 
        if (!(val = strchr(list, '='))) {
                return FAILURE;
@@ -157,24 +185,21 @@ STATUS _http_parse_key_list(const char *list, HashTable *items, char separator,
 /* }}} */
 
 /* {{{ void http_error(long, long, char*) */
-void _http_error_ex(long type, long code, const char *format, ...)
+void _http_error_ex(long type TSRMLS_DC, long code, const char *format, ...)
 {
        va_list args;
-       TSRMLS_FETCH();
-
+       
        va_start(args, format);
-       if (type == E_THROW) {
 #ifdef ZEND_ENGINE_2
+       if ((type == E_THROW) || (PG(error_handling) == EH_THROW)) {
                char *message;
+               
                vspprintf(&message, 0, format, args);
                zend_throw_exception(http_exception_get_for_code(code), message, code TSRMLS_CC);
-#else
-               type = E_WARNING;
+               efree(message);
+       } else
 #endif
-       }
-       if (type != E_THROW) {
-               php_verror(NULL, "", type, format, args TSRMLS_CC);
-       }
+       php_verror(NULL, "", type, format, args TSRMLS_CC);
        va_end(args);
 }
 /* }}} */
@@ -190,11 +215,11 @@ void _http_log_ex(char *file, const char *ident, const char *message TSRMLS_DC)
        strftime(datetime, sizeof(datetime), "%Y-%m-%d %H:%M:%S", php_localtime_r(&now, &nowtm));
 
 #define HTTP_LOG_WRITE(file, type, msg) \
-       if (file && strlen(file)) { \
+       if (file && *file) { \
                php_stream *log = php_stream_open_wrapper(file, "ab", REPORT_ERRORS|ENFORCE_SAFE_MODE, NULL); \
                 \
                if (log) { \
-                       php_stream_printf(log TSRMLS_CC, "%s [%12s] %32s <%s>%s", datetime, type, msg, SG(request_info).request_uri, PHP_EOL); \
+                       php_stream_printf(log TSRMLS_CC, "%s\t[%s]\t%s\t<%s>%s", datetime, type, msg, SG(request_info).request_uri, PHP_EOL); \
                        php_stream_close(log); \
                } \
         \
@@ -205,19 +230,25 @@ void _http_log_ex(char *file, const char *ident, const char *message TSRMLS_DC)
 }
 /* }}} */
 
+static void http_ob_blackhole(char *output, uint output_len, char **handled_output, uint *handled_output_len, int mode TSRMLS_DC)
+{
+       *handled_output = ecalloc(1,1);
+       *handled_output_len = 0;
+}
+
 /* {{{ STATUS http_exit(int, char*, char*) */
 STATUS _http_exit_ex(int status, char *header, char *body, zend_bool send_header TSRMLS_DC)
 {
-       if (status || send_header) {
-               if (SUCCESS != http_send_status_header(status, send_header ? header : NULL)) {
-                       http_error_ex(HE_WARNING, HTTP_E_HEADER, "Failed to exit with status/header: %d - %s", status, header ? header : "");
-                       STR_FREE(header);
-                       STR_FREE(body);
-                       return FAILURE;
-               }
+       if (    (send_header && (SUCCESS != http_send_status_header(status, header))) ||
+                       (!send_header && status && (SUCCESS != http_send_status(status)))) {
+               http_error_ex(HE_WARNING, HTTP_E_HEADER, "Failed to exit with status/header: %d - %s", status, header ? header : "");
+               STR_FREE(header);
+               STR_FREE(body);
+               return FAILURE;
        }
        
-       if (body) {
+       php_end_ob_buffers(0 TSRMLS_CC);
+       if (php_header(TSRMLS_C) && body) {
                PHPWRITE(body, strlen(body));
        }
        
@@ -225,6 +256,8 @@ STATUS _http_exit_ex(int status, char *header, char *body, zend_bool send_header
        {
                case 301:       http_log(HTTP_G(log).redirect, "301-REDIRECT", header);                 break;
                case 302:       http_log(HTTP_G(log).redirect, "302-REDIRECT", header);                 break;
+               case 303:       http_log(HTTP_G(log).redirect, "303-REDIRECT", header);                 break;
+               case 307:       http_log(HTTP_G(log).redirect, "307-REDIRECT", header);                 break;
                case 304:       http_log(HTTP_G(log).cache, "304-CACHE", header);                               break;
                case 405:       http_log(HTTP_G(log).allowed_methods, "405-ALLOWED", header);   break;
                default:        http_log(NULL, header, body);                                                                   break;
@@ -233,8 +266,12 @@ STATUS _http_exit_ex(int status, char *header, char *body, zend_bool send_header
        STR_FREE(header);
        STR_FREE(body);
        
-       zend_bailout();
-       /* fake */
+       if (HTTP_G(force_exit)) {
+               zend_bailout();
+       } else {
+               php_ob_set_internal_handler(http_ob_blackhole, 4096, "blackhole", 0 TSRMLS_CC);
+       }
+       
        return SUCCESS;
 }
 /* }}} */
@@ -259,10 +296,10 @@ PHP_HTTP_API zval *_http_get_server_var_ex(const char *key, size_t key_size, zen
        zval **hsv;
        zval **var;
        
-       if (SUCCESS != zend_hash_find(&EG(symbol_table), "_SERVER", sizeof("_SERVER"), (void **) &hsv)) {
+       if ((SUCCESS != zend_hash_find(&EG(symbol_table), "_SERVER", sizeof("_SERVER"), (void **) &hsv)) || (Z_TYPE_PP(hsv) != IS_ARRAY)) {
                return NULL;
        }
-       if (SUCCESS != zend_hash_find(Z_ARRVAL_PP(hsv), (char *) key, key_size, (void **) &var)) {
+       if ((SUCCESS != zend_hash_find(Z_ARRVAL_PP(hsv), (char *) key, key_size, (void **) &var)) || (Z_TYPE_PP(var) != IS_STRING)) {
                return NULL;
        }
        if (check && !(Z_STRVAL_PP(var) && Z_STRLEN_PP(var))) {
@@ -287,68 +324,6 @@ PHP_HTTP_API STATUS _http_get_request_body_ex(char **body, size_t *length, zend_
 }
 /* }}} */
 
-/* {{{ char *http_chunked_decode(char *, size_t, char **, size_t *) */
-PHP_HTTP_API const char *_http_chunked_decode(const char *encoded, size_t encoded_len, char **decoded, size_t *decoded_len TSRMLS_DC)
-{
-       const char *e_ptr;
-       char *d_ptr;
-       
-       *decoded_len = 0;
-       *decoded = ecalloc(1, encoded_len);
-       d_ptr = *decoded;
-       e_ptr = encoded;
-
-       while (((e_ptr - encoded) - encoded_len) > 0) {
-               size_t chunk_len = 0, EOL_len = 0;
-               int eol_mismatch = 0;
-               char *n_ptr;
-
-               chunk_len = strtol(e_ptr, &n_ptr, 16);
-
-               /* check if:
-                * - we could not read in chunk size
-                * - chunk size is not followed by (CR)LF|NUL
-                */
-               if ((n_ptr == e_ptr) || (*n_ptr && (eol_mismatch = n_ptr != http_locate_eol(e_ptr, &EOL_len)))) {
-                       /* don't fail on apperently not encoded data */
-                       if (e_ptr == encoded) {
-                               memcpy(*decoded, encoded, encoded_len);
-                               *decoded_len = encoded_len;
-                               return encoded + encoded_len;
-                       } else {
-                               efree(*decoded);
-                               if (eol_mismatch) {
-                                       if (EOL_len == 2) {
-                                               http_error_ex(HE_WARNING, HTTP_E_ENCODING, "Invalid character (expected 0x0D 0x0A; got: 0x%X 0x%X)", *n_ptr, *(n_ptr + 1));
-                                       } else {
-                                               http_error_ex(HE_WARNING, HTTP_E_ENCODING, "Invalid character (expected 0x0A; got: 0x%X)", *n_ptr);
-                                       }
-                               } else {
-                                       char *error = estrndup(n_ptr, strcspn(n_ptr, "\r\n "));
-                                       http_error_ex(HE_WARNING, HTTP_E_ENCODING, "Invalid chunk size: '%s' at pos %d", error, n_ptr - encoded);
-                                       efree(error);
-                               }
-
-                               return NULL;
-                       }
-               } else {
-                       e_ptr = n_ptr;
-               }
-
-               /* reached the end */
-               if (!chunk_len) {
-                       break;
-               }
-
-               memcpy(d_ptr, e_ptr += EOL_len, chunk_len);
-               d_ptr += chunk_len;
-               e_ptr += chunk_len + EOL_len;
-               *decoded_len += chunk_len;
-       }
-
-       return e_ptr;
-}
-/* }}} */
 
 /*
  * Local variables: