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[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 /* {{{ 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 if (!OG(ob_lock)) {
151 php_end_ob_buffers(0 TSRMLS_CC);
152 }
153 if ((SUCCESS == sapi_send_headers(TSRMLS_C)) && body) {
154 PHPWRITE(body, strlen(body));
155 }
156
157 switch (status)
158 {
159 case 301: http_log(HTTP_G->log.redirect, "301-REDIRECT", header); break;
160 case 302: http_log(HTTP_G->log.redirect, "302-REDIRECT", header); break;
161 case 303: http_log(HTTP_G->log.redirect, "303-REDIRECT", header); break;
162 case 305: http_log(HTTP_G->log.redirect, "305-REDIRECT", header); break;
163 case 307: http_log(HTTP_G->log.redirect, "307-REDIRECT", header); break;
164 case 304: http_log(HTTP_G->log.cache, "304-CACHE", header); break;
165 case 405: http_log(HTTP_G->log.allowed_methods, "405-ALLOWED", header); break;
166 default: http_log(NULL, header, body); break;
167 }
168
169 STR_FREE(header);
170 STR_FREE(body);
171
172 if (HTTP_G->force_exit) {
173 zend_bailout();
174 } else {
175 php_ob_set_internal_handler(http_ob_blackhole, 4096, "blackhole", 0 TSRMLS_CC);
176 }
177
178 return SUCCESS;
179 }
180 /* }}} */
181
182 /* {{{ STATUS http_check_method(char *) */
183 STATUS _http_check_method_ex(const char *method, const char *methods)
184 {
185 const char *found;
186
187 if ( (found = strstr(methods, method)) &&
188 (found == method || !isalpha(found[-1])) &&
189 (strlen(found) >= strlen(method) && !isalpha(found[strlen(method)]))) {
190 return SUCCESS;
191 }
192 return FAILURE;
193 }
194 /* }}} */
195
196 /* {{{ zval *http_get_server_var_ex(char *, size_t) */
197 PHP_HTTP_API zval *_http_get_server_var_ex(const char *key, size_t key_size, zend_bool check TSRMLS_DC)
198 {
199 zval **hsv;
200 zval **var;
201 #ifdef ZEND_ENGINE_2
202 zend_is_auto_global("_SERVER", lenof("_SERVER") TSRMLS_CC);
203 #endif
204 if ((SUCCESS != zend_hash_find(&EG(symbol_table), "_SERVER", sizeof("_SERVER"), (void **) &hsv)) || (Z_TYPE_PP(hsv) != IS_ARRAY)) {
205 return NULL;
206 }
207 if ((SUCCESS != zend_hash_find(Z_ARRVAL_PP(hsv), (char *) key, key_size, (void **) &var)) || (Z_TYPE_PP(var) != IS_STRING)) {
208 return NULL;
209 }
210 if (check && !(Z_STRVAL_PP(var) && Z_STRLEN_PP(var))) {
211 return NULL;
212 }
213 return *var;
214 }
215 /* }}} */
216
217 /* {{{ STATUS http_get_request_body(char **, size_t *) */
218 PHP_HTTP_API STATUS _http_get_request_body_ex(char **body, size_t *length, zend_bool dup TSRMLS_DC)
219 {
220 *length = 0;
221 *body = NULL;
222
223 if (SG(request_info).raw_post_data) {
224 *length = SG(request_info).raw_post_data_length;
225 *body = SG(request_info).raw_post_data;
226
227 if (dup) {
228 *body = estrndup(*body, *length);
229 }
230 return SUCCESS;
231 } else if (sapi_module.read_post && !HTTP_G->read_post_data) {
232 char buf[4096];
233 int len;
234
235 HTTP_G->read_post_data = 1;
236
237 while (0 < (len = sapi_module.read_post(buf, sizeof(buf) TSRMLS_CC))) {
238 *body = erealloc(*body, *length + len + 1);
239 memcpy(*body + *length, buf, len);
240 *length += len;
241 (*body)[*length] = '\0';
242 }
243
244 /* check for error */
245 if (len < 0) {
246 STR_FREE(*body);
247 *length = 0;
248 return FAILURE;
249 }
250
251 SG(request_info).raw_post_data = *body;
252 SG(request_info).raw_post_data_length = *length;
253
254 if (dup) {
255 *body = estrndup(*body, *length);
256 }
257 return SUCCESS;
258 }
259
260 return FAILURE;
261 }
262 /* }}} */
263
264 /* {{{ php_stream *_http_get_request_body_stream(void) */
265 PHP_HTTP_API php_stream *_http_get_request_body_stream(TSRMLS_D)
266 {
267 php_stream *s = NULL;
268
269 if (SG(request_info).raw_post_data) {
270 s = php_stream_open_wrapper("php://input", "rb", 0, NULL);
271 } else if (sapi_module.read_post && !HTTP_G->read_post_data) {
272 HTTP_G->read_post_data = 1;
273
274 if ((s = php_stream_temp_new())) {
275 char buf[4096];
276 int len;
277
278 while (0 < (len = sapi_module.read_post(buf, sizeof(buf) TSRMLS_CC))) {
279 php_stream_write(s, buf, len);
280 }
281
282 if (len < 0) {
283 php_stream_close(s);
284 s = NULL;
285 } else {
286 php_stream_rewind(s);
287 }
288 }
289 }
290
291 return s;
292 }
293 /* }}} */
294
295 /*
296 * Local variables:
297 * tab-width: 4
298 * c-basic-offset: 4
299 * End:
300 * vim600: noet sw=4 ts=4 fdm=marker
301 * vim<600: noet sw=4 ts=4
302 */
303
Extended HTTP Support