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- make http_parse_cookie() "quoted string" aware and add test
[m6w6/ext-http] / 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 /* {{{ */
88 void _http_key_list_default_decoder(const char *encoded, size_t encoded_len, char **decoded, size_t *decoded_len TSRMLS_DC)
89 {
90 *decoded = estrndup(encoded, encoded_len);
91 *decoded_len = (size_t) php_url_decode(*decoded, encoded_len);
92 }
93 /* }}} */
94
95 /* {{{ */
96 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)
97 {
98 char *str = estrdup(list), *key = str, *val = NULL;
99 int vallen = 0, keylen = 0, done = 0;
100 zval array;
101
102 INIT_ZARR(array, items);
103
104 if (!(val = strchr(str, '='))) {
105 efree(str);
106 return FAILURE;
107 }
108
109 #define HTTP_KEYLIST_VAL(array, k, str, len) \
110 { \
111 char *decoded; \
112 size_t decoded_len; \
113 if (decode) { \
114 decode(str, len, &decoded, &decoded_len TSRMLS_CC); \
115 } else { \
116 decoded_len = len; \
117 decoded = estrndup(str, decoded_len); \
118 } \
119 add_assoc_stringl(array, k, decoded, decoded_len, 0); \
120 }
121 #define HTTP_KEYLIST_FIXKEY() \
122 { \
123 while (isspace(*key)) ++key; \
124 keylen = val - key; \
125 while (isspace(key[keylen - 1])) --keylen; \
126 }
127 #define HTTP_KEYLIST_FIXVAL() \
128 { \
129 ++val; \
130 while (isspace(*val)) ++val; \
131 vallen = key - val; \
132 while (isspace(val[vallen - 1])) --vallen; \
133 if (val[0] == '"' && val[vallen - 1] == '"') { \
134 int i; \
135 ++val; \
136 vallen -= 2; \
137 for (i = 0; i < vallen; ++i) { \
138 if (val[i] == '\\' && val[i+1] == '"' && (!i || val[i-1] != '\\')) { \
139 memmove(&val[i], &val[i+1], vallen - i); \
140 --vallen; \
141 } \
142 } \
143 } \
144 }
145
146 HTTP_KEYLIST_FIXKEY();
147
148 if (first_entry_is_name_value_pair) {
149 HTTP_KEYLIST_VAL(&array, "name", key, keylen);
150
151 /* just one name=value */
152 if (!(key = strchr(val, separator))) {
153 key = val + strlen(val);
154 HTTP_KEYLIST_FIXVAL();
155 HTTP_KEYLIST_VAL(&array, "value", val, vallen);
156 efree(str);
157 return SUCCESS;
158 }
159 /* additional info appended */
160 else {
161 HTTP_KEYLIST_FIXVAL();
162 HTTP_KEYLIST_VAL(&array, "value", val, vallen);
163 }
164 }
165
166 do {
167 char *keydup = NULL;
168
169 if (!(val = strchr(key, '='))) {
170 break;
171 }
172
173 /* start at 0 if first_entry_is_name_value_pair==0 */
174 if (zend_hash_num_elements(items)) {
175 ++key;
176 }
177
178 HTTP_KEYLIST_FIXKEY();
179 keydup = estrndup(key, keylen);
180 if (!(key = strchr(val, separator))) {
181 done = 1;
182 key = val + strlen(val);
183 }
184 HTTP_KEYLIST_FIXVAL();
185 HTTP_KEYLIST_VAL(&array, keydup, val, vallen);
186 efree(keydup);
187 } while (!done);
188
189 efree(str);
190 return SUCCESS;
191 }
192 /* }}} */
193
194 /* {{{ void http_error(long, long, char*) */
195 void _http_error_ex(long type TSRMLS_DC, long code, const char *format, ...)
196 {
197 va_list args;
198
199 va_start(args, format);
200 #ifdef ZEND_ENGINE_2
201 if ((type == E_THROW) || (PG(error_handling) == EH_THROW)) {
202 char *message;
203
204 vspprintf(&message, 0, format, args);
205 zend_throw_exception(http_exception_get_for_code(code), message, code TSRMLS_CC);
206 efree(message);
207 } else
208 #endif
209 php_verror(NULL, "", type, format, args TSRMLS_CC);
210 va_end(args);
211 }
212 /* }}} */
213
214 /* {{{ void http_log(char *, char *, char *) */
215 void _http_log_ex(char *file, const char *ident, const char *message TSRMLS_DC)
216 {
217 time_t now;
218 struct tm nowtm;
219 char datetime[20] = {0};
220
221 now = HTTP_GET_REQUEST_TIME();
222 strftime(datetime, sizeof(datetime), "%Y-%m-%d %H:%M:%S", php_localtime_r(&now, &nowtm));
223
224 #define HTTP_LOG_WRITE(file, type, msg) \
225 if (file && *file) { \
226 php_stream *log = php_stream_open_wrapper(file, "ab", REPORT_ERRORS|ENFORCE_SAFE_MODE, NULL); \
227 \
228 if (log) { \
229 php_stream_printf(log TSRMLS_CC, "%s\t[%s]\t%s\t<%s>%s", datetime, type, msg, SG(request_info).request_uri, PHP_EOL); \
230 php_stream_close(log); \
231 } \
232 \
233 }
234
235 HTTP_LOG_WRITE(file, ident, message);
236 HTTP_LOG_WRITE(HTTP_G->log.composite, ident, message);
237 }
238 /* }}} */
239
240 static void http_ob_blackhole(char *output, uint output_len, char **handled_output, uint *handled_output_len, int mode TSRMLS_DC)
241 {
242 *handled_output = ecalloc(1,1);
243 *handled_output_len = 0;
244 }
245
246 /* {{{ STATUS http_exit(int, char*, char*) */
247 STATUS _http_exit_ex(int status, char *header, char *body, zend_bool send_header TSRMLS_DC)
248 {
249 if ( (send_header && (SUCCESS != http_send_status_header(status, header))) ||
250 (!send_header && status && (SUCCESS != http_send_status(status)))) {
251 http_error_ex(HE_WARNING, HTTP_E_HEADER, "Failed to exit with status/header: %d - %s", status, header ? header : "");
252 STR_FREE(header);
253 STR_FREE(body);
254 return FAILURE;
255 }
256
257 php_end_ob_buffers(0 TSRMLS_CC);
258 if ((SUCCESS == sapi_send_headers(TSRMLS_C)) && body) {
259 PHPWRITE(body, strlen(body));
260 }
261
262 switch (status)
263 {
264 case 301: http_log(HTTP_G->log.redirect, "301-REDIRECT", header); break;
265 case 302: http_log(HTTP_G->log.redirect, "302-REDIRECT", header); break;
266 case 303: http_log(HTTP_G->log.redirect, "303-REDIRECT", header); break;
267 case 305: http_log(HTTP_G->log.redirect, "305-REDIRECT", header); break;
268 case 307: http_log(HTTP_G->log.redirect, "307-REDIRECT", header); break;
269 case 304: http_log(HTTP_G->log.cache, "304-CACHE", header); break;
270 case 405: http_log(HTTP_G->log.allowed_methods, "405-ALLOWED", header); break;
271 default: http_log(NULL, header, body); break;
272 }
273
274 STR_FREE(header);
275 STR_FREE(body);
276
277 if (HTTP_G->force_exit) {
278 zend_bailout();
279 } else {
280 php_ob_set_internal_handler(http_ob_blackhole, 4096, "blackhole", 0 TSRMLS_CC);
281 }
282
283 return SUCCESS;
284 }
285 /* }}} */
286
287 /* {{{ STATUS http_check_method(char *) */
288 STATUS _http_check_method_ex(const char *method, const char *methods)
289 {
290 const char *found;
291
292 if ( (found = strstr(methods, method)) &&
293 (found == method || !isalpha(found[-1])) &&
294 (strlen(found) >= strlen(method) && !isalpha(found[strlen(method)]))) {
295 return SUCCESS;
296 }
297 return FAILURE;
298 }
299 /* }}} */
300
301 /* {{{ zval *http_get_server_var_ex(char *, size_t) */
302 PHP_HTTP_API zval *_http_get_server_var_ex(const char *key, size_t key_size, zend_bool check TSRMLS_DC)
303 {
304 zval **hsv;
305 zval **var;
306
307 if ((SUCCESS != zend_hash_find(&EG(symbol_table), "_SERVER", sizeof("_SERVER"), (void **) &hsv)) || (Z_TYPE_PP(hsv) != IS_ARRAY)) {
308 return NULL;
309 }
310 if ((SUCCESS != zend_hash_find(Z_ARRVAL_PP(hsv), (char *) key, key_size, (void **) &var)) || (Z_TYPE_PP(var) != IS_STRING)) {
311 return NULL;
312 }
313 if (check && !(Z_STRVAL_PP(var) && Z_STRLEN_PP(var))) {
314 return NULL;
315 }
316 return *var;
317 }
318 /* }}} */
319
320 /* {{{ STATUS http_get_request_body(char **, size_t *) */
321 PHP_HTTP_API STATUS _http_get_request_body_ex(char **body, size_t *length, zend_bool dup TSRMLS_DC)
322 {
323 *length = 0;
324 *body = NULL;
325
326 if (SG(request_info).raw_post_data) {
327 *length = SG(request_info).raw_post_data_length;
328 *body = SG(request_info).raw_post_data;
329
330 if (dup) {
331 *body = estrndup(*body, *length);
332 }
333 return SUCCESS;
334 } else if (sapi_module.read_post && !HTTP_G->read_post_data) {
335 char buf[4096];
336 int len;
337
338 HTTP_G->read_post_data = 1;
339
340 while (0 < (len = sapi_module.read_post(buf, sizeof(buf) TSRMLS_CC))) {
341 *body = erealloc(*body, *length + len + 1);
342 memcpy(*body + *length, buf, len);
343 *length += len;
344 (*body)[*length] = '\0';
345 }
346
347 /* check for error */
348 if (len < 0) {
349 STR_FREE(*body);
350 *length = 0;
351 return FAILURE;
352 }
353
354 SG(request_info).raw_post_data = *body;
355 SG(request_info).raw_post_data_length = *length;
356
357 if (dup) {
358 *body = estrndup(*body, *length);
359 }
360 return SUCCESS;
361 }
362
363 return FAILURE;
364 }
365 /* }}} */
366
367 /* {{{ php_stream *_http_get_request_body_stream(void) */
368 PHP_HTTP_API php_stream *_http_get_request_body_stream(TSRMLS_D)
369 {
370 php_stream *s = NULL;
371
372 if (SG(request_info).raw_post_data) {
373 s = php_stream_open_wrapper("php://input", "rb", 0, NULL);
374 } else if (sapi_module.read_post && !HTTP_G->read_post_data) {
375 HTTP_G->read_post_data = 1;
376
377 if ((s = php_stream_temp_new())) {
378 char buf[4096];
379 int len;
380
381 while (0 < (len = sapi_module.read_post(buf, sizeof(buf) TSRMLS_CC))) {
382 php_stream_write(s, buf, len);
383 }
384
385 if (len < 0) {
386 php_stream_close(s);
387 s = NULL;
388 } else {
389 php_stream_rewind(s);
390 }
391 }
392 }
393
394 return s;
395 }
396 /* }}} */
397
398 /*
399 * Local variables:
400 * tab-width: 4
401 * c-basic-offset: 4
402 * End:
403 * vim600: noet sw=4 ts=4 fdm=marker
404 * vim<600: noet sw=4 ts=4
405 */
406
Extended HTTP Support