git.m6w6.name Git - m6w6/ext-http/blob - http_api.c

   1 /*
   2     +--------------------------------------------------------------------+
   3     | PECL :: http                                                       |
   4     +--------------------------------------------------------------------+
   5     | Redistribution and use in source and binary forms, with or without |
   6     | modification, are permitted provided that the conditions mentioned |
   7     | in the accompanying LICENSE file are met.                          |
   8     +--------------------------------------------------------------------+
   9     | Copyright (c) 2004-2006, Michael Wallner <mike@php.net>            |
  10     +--------------------------------------------------------------------+
  11 */
  12
  13 /* $Id$ */
  14
  15 #define HTTP_WANT_SAPI
  16 #include "php_http.h"
  17
  18 #include "php_output.h"
  19 #include "ext/standard/url.h"
  20
  21 #include "php_http_api.h"
  22 #include "php_http_send_api.h"
  23
  24 #ifdef ZEND_ENGINE_2
  25 #       include "php_http_exception_object.h"
  26 #endif
  27
  28 PHP_MINIT_FUNCTION(http_support)
  29 {
  30         HTTP_LONG_CONSTANT("HTTP_SUPPORT", HTTP_SUPPORT);
  31         HTTP_LONG_CONSTANT("HTTP_SUPPORT_REQUESTS", HTTP_SUPPORT_REQUESTS);
  32         HTTP_LONG_CONSTANT("HTTP_SUPPORT_MAGICMIME", HTTP_SUPPORT_MAGICMIME);
  33         HTTP_LONG_CONSTANT("HTTP_SUPPORT_ENCODINGS", HTTP_SUPPORT_ENCODINGS);
  34         HTTP_LONG_CONSTANT("HTTP_SUPPORT_SSLREQUESTS", HTTP_SUPPORT_SSLREQUESTS);
  35
  36         return SUCCESS;
  37 }
  38
  39 PHP_HTTP_API long _http_support(long feature)
  40 {
  41         long support = HTTP_SUPPORT;
  42
  43 #ifdef HTTP_HAVE_CURL
  44         support |= HTTP_SUPPORT_REQUESTS;
  45 #       ifdef HTTP_HAVE_SSL
  46         support |= HTTP_SUPPORT_SSLREQUESTS;
  47 #       endif
  48 #endif
  49 #ifdef HTTP_HAVE_MAGIC
  50         support |= HTTP_SUPPORT_MAGICMIME;
  51 #endif
  52 #ifdef HTTP_HAVE_ZLIB
  53         support |= HTTP_SUPPORT_ENCODINGS;
  54 #endif
  55
  56         if (feature) {
  57                 return (feature == (support & feature));
  58         }
  59         return support;
  60 }
  61
  62 /* char *pretty_key(char *, size_t, zend_bool, zend_bool) */
  63 char *_http_pretty_key(char *key, size_t key_len, zend_bool uctitle, zend_bool xhyphen)
  64 {
  65         if (key && key_len) {
  66                 size_t i;
  67                 int wasalpha;
  68                 if ((wasalpha = isalpha((int) key[0]))) {
  69                         key[0] = (char) (uctitle ? toupper((int) key[0]) : tolower((int) key[0]));
  70                 }
  71                 for (i = 1; i < key_len; i++) {
  72                         if (isalpha((int) key[i])) {
  73                                 key[i] = (char) (((!wasalpha) && uctitle) ? toupper((int) key[i]) : tolower((int) key[i]));
  74                                 wasalpha = 1;
  75                         } else {
  76                                 if (xhyphen && (key[i] == '_')) {
  77                                         key[i] = '-';
  78                                 }
  79                                 wasalpha = 0;
  80                         }
  81                 }
  82         }
  83         return key;
  84 }
  85 /* }}} */
  86
  87 /* {{{ void http_error(long, long, char*) */
  88 void _http_error_ex(long type TSRMLS_DC, long code, const char *format, ...)
  89 {
  90         va_list args;
  91
  92         va_start(args, format);
  93 #ifdef ZEND_ENGINE_2
  94         if ((type == E_THROW) || (PG(error_handling) == EH_THROW)) {
  95                 char *message;
  96
  97                 vspprintf(&message, 0, format, args);
  98                 zend_throw_exception(http_exception_get_for_code(code), message, code TSRMLS_CC);
  99                 efree(message);
 100         } else
 101 #endif
 102         php_verror(NULL, "", type, format, args TSRMLS_CC);
 103         va_end(args);
 104 }
 105 /* }}} */
 106
 107 /* {{{ void http_log(char *, char *, char *) */
 108 void _http_log_ex(char *file, const char *ident, const char *message TSRMLS_DC)
 109 {
 110         time_t now;
 111         struct tm nowtm;
 112         char datetime[20] = {0};
 113
 114         now = HTTP_GET_REQUEST_TIME();
 115         strftime(datetime, sizeof(datetime), "%Y-%m-%d %H:%M:%S", php_localtime_r(&now, &nowtm));
 116
 117 #define HTTP_LOG_WRITE(file, type, msg) \
 118         if (file && *file) { \
 119                 php_stream *log = php_stream_open_wrapper_ex(file, "ab", REPORT_ERRORS|ENFORCE_SAFE_MODE, NULL, HTTP_DEFAULT_STREAM_CONTEXT); \
 120                  \
 121                 if (log) { \
 122                         php_stream_printf(log TSRMLS_CC, "%s\t[%s]\t%s\t<%s>%s", datetime, type, msg, SG(request_info).request_uri, PHP_EOL); \
 123                         php_stream_close(log); \
 124                 } \
 125          \
 126         }
 127
 128         HTTP_LOG_WRITE(file, ident, message);
 129         HTTP_LOG_WRITE(HTTP_G->log.composite, ident, message);
 130 }
 131 /* }}} */
 132
 133 static void http_ob_blackhole(char *output, uint output_len, char **handled_output, uint *handled_output_len, int mode TSRMLS_DC)
 134 {
 135         *handled_output = ecalloc(1,1);
 136         *handled_output_len = 0;
 137 }
 138
 139 /* {{{ STATUS http_exit(int, char*, char*) */
 140 STATUS _http_exit_ex(int status, char *header, char *body, zend_bool send_header TSRMLS_DC)
 141 {
 142         if (    (send_header && (SUCCESS != http_send_status_header(status, header))) ||
 143                         (!send_header && status && (SUCCESS != http_send_status(status)))) {
 144                 http_error_ex(HE_WARNING, HTTP_E_HEADER, "Failed to exit with status/header: %d - %s", status, header ? header : "");
 145                 STR_FREE(header);
 146                 STR_FREE(body);
 147                 return FAILURE;
 148         }
 149
 150         php_end_ob_buffers(0 TSRMLS_CC);
 151         if ((SUCCESS == sapi_send_headers(TSRMLS_C)) && body) {
 152                 PHPWRITE(body, strlen(body));
 153         }
 154
 155         switch (status)
 156         {
 157                 case 301:       http_log(HTTP_G->log.redirect, "301-REDIRECT", header);                 break;
 158                 case 302:       http_log(HTTP_G->log.redirect, "302-REDIRECT", header);                 break;
 159                 case 303:       http_log(HTTP_G->log.redirect, "303-REDIRECT", header);                 break;
 160                 case 305:       http_log(HTTP_G->log.redirect, "305-REDIRECT", header);                 break;
 161                 case 307:       http_log(HTTP_G->log.redirect, "307-REDIRECT", header);                 break;
 162                 case 304:       http_log(HTTP_G->log.cache, "304-CACHE", header);                               break;
 163                 case 405:       http_log(HTTP_G->log.allowed_methods, "405-ALLOWED", header);   break;
 164                 default:        http_log(NULL, header, body);                                                                   break;
 165         }
 166
 167         STR_FREE(header);
 168         STR_FREE(body);
 169
 170         if (HTTP_G->force_exit) {
 171                 zend_bailout();
 172         } else {
 173                 php_ob_set_internal_handler(http_ob_blackhole, 4096, "blackhole", 0 TSRMLS_CC);
 174         }
 175
 176         return SUCCESS;
 177 }
 178 /* }}} */
 179
 180 /* {{{ STATUS http_check_method(char *) */
 181 STATUS _http_check_method_ex(const char *method, const char *methods)
 182 {
 183         const char *found;
 184
 185         if (    (found = strstr(methods, method)) &&
 186                         (found == method || !isalpha(found[-1])) &&
 187                         (strlen(found) >= strlen(method) && !isalpha(found[strlen(method)]))) {
 188                 return SUCCESS;
 189         }
 190         return FAILURE;
 191 }
 192 /* }}} */
 193
 194 /* {{{ zval *http_get_server_var_ex(char *, size_t) */
 195 PHP_HTTP_API zval *_http_get_server_var_ex(const char *key, size_t key_size, zend_bool check TSRMLS_DC)
 196 {
 197         zval **hsv;
 198         zval **var;
 199
 200         if ((SUCCESS != zend_hash_find(&EG(symbol_table), "_SERVER", sizeof("_SERVER"), (void **) &hsv)) || (Z_TYPE_PP(hsv) != IS_ARRAY)) {
 201                 return NULL;
 202         }
 203         if ((SUCCESS != zend_hash_find(Z_ARRVAL_PP(hsv), (char *) key, key_size, (void **) &var)) || (Z_TYPE_PP(var) != IS_STRING)) {
 204                 return NULL;
 205         }
 206         if (check && !(Z_STRVAL_PP(var) && Z_STRLEN_PP(var))) {
 207                 return NULL;
 208         }
 209         return *var;
 210 }
 211 /* }}} */
 212
 213 /* {{{ STATUS http_get_request_body(char **, size_t *) */
 214 PHP_HTTP_API STATUS _http_get_request_body_ex(char **body, size_t *length, zend_bool dup TSRMLS_DC)
 215 {
 216         *length = 0;
 217         *body = NULL;
 218
 219         if (SG(request_info).raw_post_data) {
 220                 *length = SG(request_info).raw_post_data_length;
 221                 *body = SG(request_info).raw_post_data;
 222
 223                 if (dup) {
 224                         *body = estrndup(*body, *length);
 225                 }
 226                 return SUCCESS;
 227         } else if (sapi_module.read_post && !HTTP_G->read_post_data) {
 228                 char buf[4096];
 229                 int len;
 230
 231                 HTTP_G->read_post_data = 1;
 232
 233                 while (0 < (len = sapi_module.read_post(buf, sizeof(buf) TSRMLS_CC))) {
 234                         *body = erealloc(*body, *length + len + 1);
 235                         memcpy(*body + *length, buf, len);
 236                         *length += len;
 237                         (*body)[*length] = '\0';
 238                 }
 239
 240                 /* check for error */
 241                 if (len < 0) {
 242                         STR_FREE(*body);
 243                         *length = 0;
 244                         return FAILURE;
 245                 }
 246
 247                 SG(request_info).raw_post_data = *body;
 248                 SG(request_info).raw_post_data_length = *length;
 249
 250                 if (dup) {
 251                         *body = estrndup(*body, *length);
 252                 }
 253                 return SUCCESS;
 254         }
 255
 256         return FAILURE;
 257 }
 258 /* }}} */
 259
 260 /* {{{ php_stream *_http_get_request_body_stream(void) */
 261 PHP_HTTP_API php_stream *_http_get_request_body_stream(TSRMLS_D)
 262 {
 263         php_stream *s = NULL;
 264
 265         if (SG(request_info).raw_post_data) {
 266                 s = php_stream_open_wrapper("php://input", "rb", 0, NULL);
 267         } else if (sapi_module.read_post && !HTTP_G->read_post_data) {
 268                 HTTP_G->read_post_data = 1;
 269
 270                 if ((s = php_stream_temp_new())) {
 271                         char buf[4096];
 272                         int len;
 273
 274                         while (0 < (len = sapi_module.read_post(buf, sizeof(buf) TSRMLS_CC))) {
 275                                 php_stream_write(s, buf, len);
 276                         }
 277
 278                         if (len < 0) {
 279                                 php_stream_close(s);
 280                                 s = NULL;
 281                         } else {
 282                                 php_stream_rewind(s);
 283                         }
 284                 }
 285         }
 286
 287         return s;
 288 }
 289 /* }}} */
 290
 291 /*
 292  * Local variables:
 293  * tab-width: 4
 294  * c-basic-offset: 4
 295  * End:
 296  * vim600: noet sw=4 ts=4 fdm=marker
 297  * vim<600: noet sw=4 ts=4
 298  */
 299