X-Git-Url: https://git.m6w6.name/?p=m6w6%2Fext-http;a=blobdiff_plain;f=http_headers_api.c;h=8a4ecc5591f8d9a9ee8c2b4e918a755c56facd4d;hp=11815f25a835a81112da1a08c6aad73628cbf063;hb=5dca59e3a269c903b395d97abe831c0fc138b5b6;hpb=b08947e98f1832091c8a9f6dea3799e0524d2822 diff --git a/http_headers_api.c b/http_headers_api.c index 11815f2..8a4ecc5 100644 --- a/http_headers_api.c +++ b/http_headers_api.c @@ -27,11 +27,16 @@ #include "php_http_std_defs.h" #include "php_http_api.h" #include "php_http_headers_api.h" +#include "php_http_info_api.h" #include ZEND_EXTERN_MODULE_GLOBALS(http); +#ifndef HTTP_DBG_NEG +# define HTTP_DBG_NEG 0 +#endif + /* {{{ static int http_sort_q(const void *, const void *) */ static int http_sort_q(const void *a, const void *b TSRMLS_DC) { @@ -51,55 +56,129 @@ static int http_sort_q(const void *a, const void *b TSRMLS_DC) } /* }}} */ -/* {{{ char *http_negotiate_q(char *, HashTable *, char *) */ -PHP_HTTP_API char *_http_negotiate_q(const char *entry, const HashTable *supported, const char *def TSRMLS_DC) +/* {{{ char *http_negotiate_language_func */ +char *_http_negotiate_language_func(const char *test, double *quality, HashTable *supported TSRMLS_DC) { - zval *zaccept, zdelim, zarray, zentries, **zentry, **zsupp; - char *q_ptr = NULL, *key = NULL; - int i = 0; - ulong idx = 0; - double qual; - - HTTP_GSC(zaccept, entry, estrdup(def)); - - array_init(&zarray); - array_init(&zentries); - - Z_STRVAL(zdelim) = ","; - Z_STRLEN(zdelim) = 1; - - php_explode(&zdelim, zaccept, &zarray, -1); - - FOREACH_HASH_VAL(Z_ARRVAL(zarray), zentry) { - if (q_ptr = strrchr(Z_STRVAL_PP(zentry), ';')) { - qual = strtod(q_ptr + 3, NULL); - *q_ptr = 0; - q_ptr = NULL; - } else { - qual = 1000.0 - i++; + zval **value; + const char *dash_test; + + FOREACH_HASH_VAL(supported, value) { +#if HTTP_DBG_NEG + fprintf(stderr, "strcasecmp('%s', '%s')\n", Z_STRVAL_PP(value), test); +#endif + if (!strcasecmp(Z_STRVAL_PP(value), test)) { + return Z_STRVAL_PP(value); } - /* TODO: support primaries only, too */ - FOREACH_HASH_VAL((HashTable *)supported, zsupp) { - if (!strcasecmp(Z_STRVAL_PP(zsupp), Z_STRVAL_PP(zentry))) { - add_assoc_double(&zentries, Z_STRVAL_PP(zsupp), qual); - break; + } + + /* no distinct match found, so try primaries */ + if (dash_test = strchr(test, '-')) { + FOREACH_HASH_VAL(supported, value) { + int len = dash_test - test; +#if HTTP_DBG_NEG + fprintf(stderr, "strncascmp('%s', '%s', %d)\n", Z_STRVAL_PP(value), test, len); +#endif + if ( (!strncasecmp(Z_STRVAL_PP(value), test, len)) && + ( (Z_STRVAL_PP(value)[len] == '\0') || + (Z_STRVAL_PP(value)[len] == '-'))) { + *quality /= 2; + return Z_STRVAL_PP(value); } } } - zval_dtor(&zarray); - - zend_hash_sort(Z_ARRVAL(zentries), zend_qsort, http_sort_q, 0 TSRMLS_CC); + + return NULL; +} +/* }}} */ - FOREACH_HASH_KEY(Z_ARRVAL(zentries), key, idx) { - if (key) { - key = estrdup(key); - zval_dtor(&zentries); - return key; +/* {{{ char *http_negotiate_charset_func */ +char *_http_negotiate_charset_func(const char *test, double *quality, HashTable *supported TSRMLS_DC) +{ + zval **value; + + FOREACH_HASH_VAL(supported, value) { +#if HTTP_DBG_NEG + fprintf(stderr, "strcasecmp('%s', '%s')\n", Z_STRVAL_PP(value), test); +#endif + if (!strcasecmp(Z_STRVAL_PP(value), test)) { + return Z_STRVAL_PP(value); } } - zval_dtor(&zentries); + + return NULL; +} +/* }}} */ - return estrdup(def); +/* {{{ HashTable *http_negotiate_q(const char *, HashTable *, negotiate_func_t) */ +PHP_HTTP_API HashTable *_http_negotiate_q(const char *header, HashTable *supported, negotiate_func_t neg TSRMLS_DC) +{ + zval *accept; + HashTable *result = NULL; + +#if HTTP_DBG_NEG + fprintf(stderr, "Reading header %s: ", header); +#endif + HTTP_GSC(accept, header, NULL); +#if HTTP_DBG_NEG + fprintf(stderr, "%s\n", Z_STRVAL_P(accept)); +#endif + + if (Z_STRLEN_P(accept)) { + zval ex_arr, ex_del; + + INIT_PZVAL(&ex_del); + INIT_PZVAL(&ex_arr); + ZVAL_STRINGL(&ex_del, ",", 1, 0); + array_init(&ex_arr); + + php_explode(&ex_del, accept, &ex_arr, -1); + + if (zend_hash_num_elements(Z_ARRVAL(ex_arr)) > 0) { + int i = 0; + zval **entry, array; + + INIT_PZVAL(&array); + array_init(&array); + + FOREACH_HASH_VAL(Z_ARRVAL(ex_arr), entry) { + double quality; + char *selected, *identifier; + const char *separator; + +#if HTTP_DBG_NEG + fprintf(stderr, "Checking %s\n", Z_STRVAL_PP(entry)); +#endif + + if (separator = strchr(Z_STRVAL_PP(entry), ';')) { + const char *ptr = separator; + + while (*++ptr && !isdigit(*ptr)); + + quality = strtod(ptr, NULL); + identifier = estrndup(Z_STRVAL_PP(entry), separator - Z_STRVAL_PP(entry)); + } else { + quality = 1000.0 - i++; + identifier = estrndup(Z_STRVAL_PP(entry), Z_STRLEN_PP(entry)); + } + + if (selected = neg(identifier, &quality, supported TSRMLS_CC)) { + /* don't overwrite previously set with higher quality */ + if (!zend_hash_exists(Z_ARRVAL(array), selected, strlen(selected) + 1)) { + add_assoc_double(&array, selected, quality); + } + } + + efree(identifier); + } + + result = Z_ARRVAL(array); + zend_hash_sort(result, zend_qsort, http_sort_q, 0 TSRMLS_CC); + } + + zval_dtor(&ex_arr); + } + + return result; } /* }}} */ @@ -124,7 +203,10 @@ PHP_HTTP_API http_range_status _http_get_request_ranges(HashTable *ranges, size_ switch (c = *(range++)) { case '0': - *ptr *= 10; + /* allow 000... - shall we? */ + if (*ptr != -10) { + *ptr *= 10; + } break; case '1': case '2': case '3': @@ -241,46 +323,47 @@ PHP_HTTP_API http_range_status _http_get_request_ranges(HashTable *ranges, size_ /* }}} */ /* {{{ STATUS http_parse_headers(char *, HashTable *, zend_bool) */ -PHP_HTTP_API STATUS _http_parse_headers_ex(const char *header, HashTable *headers, zend_bool prettify, http_parse_headers_callback_t func, void **callback_data TSRMLS_DC) +PHP_HTTP_API STATUS _http_parse_headers_ex(const char *header, HashTable *headers, zend_bool prettify, + http_info_callback callback_func, void **callback_data TSRMLS_DC) { - const char *colon = NULL, *line = NULL, *begin = header, *crlfcrlf = NULL; + const char *colon = NULL, *line = NULL, *begin = header; + const char *body = http_locate_body(header); size_t header_len; zval array; - Z_ARRVAL(array) = headers; - - if (crlfcrlf = strstr(header, HTTP_CRLF HTTP_CRLF)) { - header_len = crlfcrlf - header + lenof(HTTP_CRLF); + INIT_ZARR(array, headers); + + if (body) { + header_len = body - header; } else { header_len = strlen(header) + 1; } - - - if (header_len < 2 || !strchr(header, ':')) { - http_error(HE_WARNING, HTTP_E_MALFORMED_HEADERS, "Cannot parse too short or malformed HTTP headers"); - return FAILURE; - } - line = header; while (header_len >= (size_t) (line - begin)) { int value_len = 0; - + /* note: valgrind may choke on that -- should be safe though */ switch (*line++) { + case ':': + if (!colon) { + colon = line - 1; + } + break; + case 0: --value_len; /* we don't have CR so value length is one char less */ case '\n': if ((!(*line - 1)) || ((*line != ' ') && (*line != '\t'))) { + http_info i; + /* response/request line */ - if ( (!strncmp(header, "HTTP/1.", lenof("HTTP/1."))) || - (!strncmp(line - lenof("HTTP/1.x" HTTP_CRLF) + value_len, "HTTP/1.", lenof("HTTP/1.")))) { - if (func) { - func(header, &headers, callback_data TSRMLS_CC); - Z_ARRVAL(array) = headers; - } + if (SUCCESS == http_info_parse(header, &i)) { + callback_func(callback_data, &headers, &i TSRMLS_CC); + http_info_dtor(&i); + Z_ARRVAL(array) = headers; } else - + /* "header: value" pair */ if (colon) { @@ -327,68 +410,35 @@ PHP_HTTP_API STATUS _http_parse_headers_ex(const char *header, HashTable *header header += line - header; } break; - - case ':': - if (!colon) { - colon = line - 1; - } - break; } } return SUCCESS; } /* }}} */ -PHP_HTTP_API void _http_parse_headers_default_callback(const char *http_line, HashTable **headers, void **cb_data TSRMLS_DC) -{ - zval array; - char *crlf = NULL; - size_t line_length; - Z_ARRVAL(array) = *headers; - - if (crlf = strstr(http_line, HTTP_CRLF)) { - line_length = crlf - http_line; - } else { - line_length = strlen(http_line); - } - - /* response */ - if (!strncmp(http_line, "HTTP/1.", lenof("HTTP/1."))) { - char *status = estrndup(http_line + lenof("HTTP/1.x "), line_length - lenof("HTTP/1.x ")); - add_assoc_stringl(&array, "Response Status", status, line_length - lenof("HTTP/1.x "), 0); - } else - /* request */ - if (!strncmp(http_line + line_length - lenof("HTTP/1.x"), "HTTP/1.", lenof("HTTP/1."))) { - char *sep = strchr(http_line, ' '); - char *url = estrndup(sep + 1, strstr(sep, "HTTP/1.") - sep + 1 + 1); - char *met = estrndup(http_line, sep - http_line); - - add_assoc_stringl(&array, "Request Method", met, sep - http_line, 0); - add_assoc_stringl(&array, "Request Uri", url, strstr(sep, "HTTP/1.") - sep + 1 + 1, 0); - } -} - /* {{{ void http_get_request_headers_ex(HashTable *, zend_bool) */ PHP_HTTP_API void _http_get_request_headers_ex(HashTable *headers, zend_bool prettify TSRMLS_DC) { char *key = NULL; ulong idx = 0; - zval array; + zval array, **hsv; Z_ARRVAL(array) = headers; - FOREACH_HASH_KEY(HTTP_SERVER_VARS, key, idx) { - if (key && !strncmp(key, "HTTP_", 5)) { - zval **header; - - key += 5; - if (prettify) { - key = pretty_key(key, strlen(key), 1, 1); + if (SUCCESS == zend_hash_find(&EG(symbol_table), "_SERVER", sizeof("_SERVER"), (void **) &hsv)) { + FOREACH_KEY(*hsv, key, idx) { + if (key && !strncmp(key, "HTTP_", 5)) { + zval **header; + + key += 5; + if (prettify) { + key = pretty_key(key, strlen(key), 1, 1); + } + + zend_hash_get_current_data(Z_ARRVAL_PP(hsv), (void **) &header); + add_assoc_stringl(&array, key, Z_STRVAL_PP(header), Z_STRLEN_PP(header), 1); + key = NULL; } - - zend_hash_get_current_data(HTTP_SERVER_VARS, (void **) &header); - add_assoc_stringl(&array, key, Z_STRVAL_PP(header), Z_STRLEN_PP(header), 1); - key = NULL; } } }