- rather use a list of disallowed chars
[m6w6/ext-http] / http_api.c
index 04e012133e8d94ace630d136b7c0e6908c201dcb..7762f20775de6a909721b4815c35163138867d29 100644 (file)
@@ -6,22 +6,17 @@
     | 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
 #include "php_http.h"
 
-#include "SAPI.h"
 #include "php_output.h"
 #include "ext/standard/url.h"
-#include "ext/standard/head.h"
 
 #include "php_http_api.h"
 #include "php_http_send_api.h"
@@ -30,8 +25,6 @@
 #      include "php_http_exception_object.h"
 #endif
 
-ZEND_EXTERN_MODULE_GLOBALS(http);
-
 PHP_MINIT_FUNCTION(http_support)
 {
        HTTP_LONG_CONSTANT("HTTP_SUPPORT", HTTP_SUPPORT);
@@ -56,7 +49,7 @@ PHP_HTTP_API long _http_support(long feature)
 #ifdef HTTP_HAVE_MAGIC
        support |= HTTP_SUPPORT_MAGICMIME;
 #endif
-#if defined(HTTP_HAVE_ZLIB) || defined(HAVE_ZLIB)
+#ifdef HTTP_HAVE_ZLIB
        support |= HTTP_SUPPORT_ENCODINGS;
 #endif
 
@@ -91,96 +84,197 @@ char *_http_pretty_key(char *key, size_t key_len, zend_bool uctitle, zend_bool x
 }
 /* }}} */
 
-/* {{{ */
-void _http_key_list_default_decoder(const char *encoded, size_t encoded_len, char **decoded, size_t *decoded_len TSRMLS_DC)
+/* {{{ STATUS http_parse_cookie(char *, HashTable *) */
+PHP_HTTP_API STATUS _http_parse_cookie(const char *list, HashTable *items TSRMLS_DC)
 {
-       *decoded = estrndup(encoded, encoded_len);
-       *decoded_len = (size_t) php_url_decode(*decoded, encoded_len);
-}
-/* }}} */
+#define ST_QUOTE       1
+#define ST_VALUE       2
+#define ST_KEY         3
+#define ST_ASSIGN      4
+#define ST_ADD         5
 
-/* {{{ */
-STATUS _http_parse_key_list(const char *list, HashTable *items, char separator, http_key_list_decode_t decode, zend_bool first_entry_is_name_value_pair TSRMLS_DC)
-{
-       const char *key = list, *val = NULL;
-       int vallen = 0, keylen = 0, done = 0;
        zval array;
-
+       int first = 1, st = ST_KEY, keylen = 0, vallen = 0;
+       char *s, *c, *key = NULL, *val = NULL;
+       
        INIT_ZARR(array, items);
-
-       if (!(val = strchr(list, '='))) {
-               return FAILURE;
-       }
-
-#define HTTP_KEYLIST_VAL(array, k, str, len) \
-       { \
-               char *decoded; \
-               size_t decoded_len; \
-               if (decode) { \
-                       decode(str, len, &decoded, &decoded_len TSRMLS_CC); \
-               } else { \
-                       decoded_len = len; \
-                       decoded = estrndup(str, decoded_len); \
-               } \
-               add_assoc_stringl(array, k, decoded, decoded_len, 0); \
-       }
-#define HTTP_KEYLIST_FIXKEY() \
-       { \
-                       while (isspace(*key)) ++key; \
-                       keylen = val - key; \
-                       while (isspace(key[keylen - 1])) --keylen; \
-       }
-#define HTTP_KEYLIST_FIXVAL() \
-       { \
-                       ++val; \
-                       while (isspace(*val)) ++val; \
-                       vallen = key - val; \
-                       while (isspace(val[vallen - 1])) --vallen; \
-       }
-
-       HTTP_KEYLIST_FIXKEY();
-
-       if (first_entry_is_name_value_pair) {
-               HTTP_KEYLIST_VAL(&array, "name", key, keylen);
-
-               /* just one name=value */
-               if (!(key = strchr(val, separator))) {
-                       key = val + strlen(val);
-                       HTTP_KEYLIST_FIXVAL();
-                       HTTP_KEYLIST_VAL(&array, "value", val, vallen);
-                       return SUCCESS;
+       
+       c = s = estrdup(list);
+       for(;;) {
+#if 0
+               char *tk = NULL, *tv = NULL;
+               
+               if (key) {
+                       if (keylen) {
+                               tk= estrndup(key, keylen);
+                       } else {
+                               tk = ecalloc(1, 7);
+                               memcpy(tk, key, 3);
+                               tk[3]='.'; tk[4]='.'; tk[5]='.';
+                       }
                }
-               /* additional info appended */
-               else {
-                       HTTP_KEYLIST_FIXVAL();
-                       HTTP_KEYLIST_VAL(&array, "value", val, vallen);
+               if (val) {
+                       if (vallen) {
+                               tv = estrndup(val, vallen);
+                       } else {
+                               tv = ecalloc(1, 7);
+                               memcpy(tv, val, 3);
+                               tv[3]='.'; tv[4]='.'; tv[5]='.';
+                       }
                }
-       }
-
-       do {
-               char *keydup = NULL;
-
-               if (!(val = strchr(key, '='))) {
+               fprintf(stderr, "[%6s] %c \"%s=%s\"\n",
+                               (
+                                               st == ST_QUOTE ? "QUOTE" :
+                                               st == ST_VALUE ? "VALUE" :
+                                               st == ST_KEY ? "KEY" :
+                                               st == ST_ASSIGN ? "ASSIGN" :
+                                               st == ST_ADD ? "ADD":
+                                               "HUH?"
+                               ), *c, tk, tv
+               );
+               STR_FREE(tk); STR_FREE(tv);
+#endif
+               switch (st)
+               {
+                       case ST_QUOTE:
+                               if (*c == '"') {
+                                       if (*(c-1) != '\\') {
+                                               st = ST_ADD;
+                                       } else {
+                                               memmove(c-1, c, strlen(c)+1);
+                                       }
+                               } else {
+                                       if (!val) {
+                                               val = c;
+                                       }
+                                       if (!*c) {
+                                               --val;
+                                               st = ST_ADD;
+                                       }
+                               }
+                       break;
+                               
+                       case ST_VALUE:
+                               switch (*c)
+                               {
+                                       case '"':
+                                               if (!val) {
+                                                       st = ST_QUOTE;
+                                               }
+                                       break;
+                                       
+                                       case ' ':
+                                       break;
+                                       
+                                       case ';':
+                                               goto add;
+                                       break;
+                               
+                                       case '\0':
+                                               st = ST_ADD;
+                                       break;
+                                       
+                                       default:
+                                               if (!val) {
+                                                       val = c;
+                                               }
+                                       break;
+                               }
+                       break;
+                               
+                       case ST_KEY:
+                               switch (*c)
+                               {
+                                       case ',':
+                                       case '\r':
+                                       case '\n':
+                                       case '\t':
+                                       case '\013':
+                                       case '\014':
+                                               goto failure;
+                                       break;
+                                       
+                                       case '=':
+                                               if (key) {
+                                                       keylen = c - key;
+                                                       st = ST_VALUE;
+                                               } else {
+                                                       goto failure;
+                                               }
+                                       break;
+                                       
+                                       case ' ':
+                                               if (key) {
+                                                       keylen = c - key;
+                                                       st = ST_ASSIGN;
+                                               }
+                                       break;
+                                       
+                                       case '\0':
+                                               if (key) {
+                                                       keylen = c - key;
+                                                       st = ST_ADD;
+                                               }
+                                       break;
+                                       
+                                       default:
+                                               if (!key) {
+                                                       key = c;
+                                               }
+                                       break;
+                               }
+                       break;
+                               
+                       case ST_ASSIGN:
+                               if (*c == '=') {
+                                       st = ST_VALUE;
+                               } else if (!*c || *c == ';') {
+                                       st = ST_ADD;
+                               } else if (*c != ' ') {
+                                       goto failure;
+                               }
+                       break;
+                               
+                       case ST_ADD:
+                       add:
+                               if (val) {
+                                       vallen = c - val - (*c?1:0);
+                                       while (val[vallen-1] == ' ') --vallen;
+                               } else {
+                                       val = "";
+                                       vallen = 0;
+                               }
+                               if (first) {
+                                       first = 0;
+                                       add_assoc_stringl(&array, "name", key, keylen, 1);
+                                       add_assoc_stringl(&array, "value", val, vallen, 1);
+                               } else  {
+                                       key = estrndup(key, keylen);
+                                       add_assoc_stringl_ex(&array, key, keylen+1, val, vallen, 1);
+                                       efree(key);
+                               }
+                               st = ST_KEY;
+                               key = val = NULL;
+                               keylen = vallen = 0;
                        break;
                }
-
-               /* start at 0 if first_entry_is_name_value_pair==0 */
-               if (zend_hash_num_elements(items)) {
-                       ++key;
-               }
-
-               HTTP_KEYLIST_FIXKEY();
-               keydup = estrndup(key, keylen);
-               if (!(key = strchr(val, separator))) {
-                       done = 1;
-                       key = val + strlen(val);
+               
+               if (*c) {
+                       ++c;
+               } else if (st == ST_ADD) {
+                       goto add;
+               } else {
+                       break;
                }
-               HTTP_KEYLIST_FIXVAL();
-               HTTP_KEYLIST_VAL(&array, keydup, val, vallen);
-               efree(keydup);
-       } while (!done);
-
+       }
+       
+       efree(s);
        return SUCCESS;
+       
+failure:
+       http_error_ex(HE_WARNING, HTTP_E_INVALID_PARAM, "Unexpected character (%c) at pos %tu of %zu", *c, c-s, strlen(s));
+       efree(s);
+       return FAILURE;
 }
 /* }}} */
 
@@ -209,9 +303,9 @@ void _http_log_ex(char *file, const char *ident, const char *message TSRMLS_DC)
 {
        time_t now;
        struct tm nowtm;
-       char datetime[128];
+       char datetime[20] = {0};
        
-       time(&now);
+       now = HTTP_GET_REQUEST_TIME();
        strftime(datetime, sizeof(datetime), "%Y-%m-%d %H:%M:%S", php_localtime_r(&now, &nowtm));
 
 #define HTTP_LOG_WRITE(file, type, msg) \
@@ -226,7 +320,7 @@ void _http_log_ex(char *file, const char *ident, const char *message TSRMLS_DC)
        }
        
        HTTP_LOG_WRITE(file, ident, message);
-       HTTP_LOG_WRITE(HTTP_G(log).composite, ident, message);
+       HTTP_LOG_WRITE(HTTP_G->log.composite, ident, message);
 }
 /* }}} */
 
@@ -248,25 +342,26 @@ STATUS _http_exit_ex(int status, char *header, char *body, zend_bool send_header
        }
        
        php_end_ob_buffers(0 TSRMLS_CC);
-       if (php_header(TSRMLS_C) && body) {
+       if ((SUCCESS == sapi_send_headers(TSRMLS_C)) && body) {
                PHPWRITE(body, strlen(body));
        }
        
        switch (status)
        {
-               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;
+               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 305:       http_log(HTTP_G->log.redirect, "305-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;
        }
        
        STR_FREE(header);
        STR_FREE(body);
        
-       if (HTTP_G(force_exit)) {
+       if (HTTP_G->force_exit) {
                zend_bailout();
        } else {
                php_ob_set_internal_handler(http_ob_blackhole, 4096, "blackhole", 0 TSRMLS_CC);
@@ -314,16 +409,78 @@ PHP_HTTP_API STATUS _http_get_request_body_ex(char **body, size_t *length, zend_
 {
        *length = 0;
        *body = NULL;
-
+       
        if (SG(request_info).raw_post_data) {
                *length = SG(request_info).raw_post_data_length;
-               *body = (char *) (dup ? estrndup(SG(request_info).raw_post_data, *length) : SG(request_info).raw_post_data);
+               *body = SG(request_info).raw_post_data;
+               
+               if (dup) {
+                       *body = estrndup(*body, *length);
+               }
+               return SUCCESS;
+       } else if (sapi_module.read_post && !HTTP_G->read_post_data) {
+               char buf[4096];
+               int len;
+               
+               HTTP_G->read_post_data = 1;
+               
+               while (0 < (len = sapi_module.read_post(buf, sizeof(buf) TSRMLS_CC))) {
+                       *body = erealloc(*body, *length + len + 1);
+                       memcpy(*body + *length, buf, len);
+                       *length += len;
+                       (*body)[*length] = '\0';
+               }
+               
+               /* check for error */
+               if (len < 0) {
+                       STR_FREE(*body);
+                       *length = 0;
+                       return FAILURE;
+               }
+               
+               SG(request_info).raw_post_data = *body;
+               SG(request_info).raw_post_data_length = *length;
+               
+               if (dup) {
+                       *body = estrndup(*body, *length);
+               }
                return SUCCESS;
        }
+       
        return FAILURE;
 }
 /* }}} */
 
+/* {{{ php_stream *_http_get_request_body_stream(void) */
+PHP_HTTP_API php_stream *_http_get_request_body_stream(TSRMLS_D)
+{
+       php_stream *s = NULL;
+       
+       if (SG(request_info).raw_post_data) {
+               s = php_stream_open_wrapper("php://input", "rb", 0, NULL);
+       } else if (sapi_module.read_post && !HTTP_G->read_post_data) {
+               HTTP_G->read_post_data = 1;
+               
+               if ((s = php_stream_temp_new())) {
+                       char buf[4096];
+                       int len;
+                       
+                       while (0 < (len = sapi_module.read_post(buf, sizeof(buf) TSRMLS_CC))) {
+                               php_stream_write(s, buf, len);
+                       }
+                       
+                       if (len < 0) {
+                               php_stream_close(s);
+                               s = NULL;
+                       } else {
+                               php_stream_rewind(s);
+                       }
+               }
+       }
+       
+       return s;
+}
+/* }}} */
 
 /*
  * Local variables: