X-Git-Url: https://git.m6w6.name/?p=m6w6%2Fext-http;a=blobdiff_plain;f=http_api.c;h=eebfeb2ef80840c9f2f53bb46b3782413941dcea;hp=e9f3bf093afaa037b5955ba10633e080cc8317d8;hb=ec76b279f999eaa62eeb83478f953ad477c6fe66;hpb=2b7331c5fdb73cb48f7f60a8e4ec88766581ced3 diff --git a/http_api.c b/http_api.c index e9f3bf0..eebfeb2 100644 --- a/http_api.c +++ b/http_api.c @@ -18,33 +18,45 @@ #ifdef HAVE_CONFIG_H # include "config.h" #endif - -#include - #include "php.h" +#include "SAPI.h" +#include "ext/standard/url.h" + #include "php_http.h" #include "php_http_std_defs.h" #include "php_http_api.h" #include "php_http_headers_api.h" +#include "php_http_send_api.h" #ifdef ZEND_ENGINE_2 +# include "zend_exceptions.h" # include "php_http_exception_object.h" #endif +#include + +#ifdef HTTP_HAVE_MAGIC +# if defined(PHP_WIN32) && !defined(USE_MAGIC_DLL) && !defined(USE_MAGIC_STATIC) +# define USE_MAGIC_STATIC +# endif +# include +#endif + ZEND_EXTERN_MODULE_GLOBALS(http); -/* char *pretty_key(char *, size_t, zend_bool, zebd_bool) */ +/* char *pretty_key(char *, size_t, zend_bool, zend_bool) */ char *_http_pretty_key(char *key, size_t key_len, zend_bool uctitle, zend_bool xhyphen) { if (key && key_len) { - unsigned i, wasalpha; - if (wasalpha = isalpha(key[0])) { - key[0] = uctitle ? toupper(key[0]) : tolower(key[0]); + size_t i; + int wasalpha; + if (wasalpha = isalpha((int) key[0])) { + key[0] = (char) (uctitle ? toupper((int) key[0]) : tolower((int) key[0])); } for (i = 1; i < key_len; i++) { - if (isalpha(key[i])) { - key[i] = ((!wasalpha) && uctitle) ? toupper(key[i]) : tolower(key[i]); + if (isalpha((int) key[i])) { + key[i] = (char) (((!wasalpha) && uctitle) ? toupper((int) key[i]) : tolower((int) key[i])); wasalpha = 1; } else { if (xhyphen && (key[i] == '_')) { @@ -58,141 +70,349 @@ 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) +{ + *decoded = estrndup(encoded, encoded_len); + *decoded_len = (size_t) php_url_decode(*decoded, encoded_len); +} +/* }}} */ + +/* {{{ */ +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; + + 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; + } + /* additional info appended */ + else { + HTTP_KEYLIST_FIXVAL(); + HTTP_KEYLIST_VAL(&array, "value", val, vallen); + } + } + + do { + char *keydup = NULL; + + if (!(val = strchr(key, '='))) { + 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); + } + HTTP_KEYLIST_FIXVAL(); + HTTP_KEYLIST_VAL(&array, keydup, val, vallen); + efree(keydup); + } while (!done); + + return SUCCESS; +} +/* }}} */ + /* {{{ void http_error(long, long, char*) */ -void _http_error_ex(long type, long code, const char *format, ...) +void _http_error_ex(long type TSRMLS_DC, long code, const char *format, ...) { va_list args; - TSRMLS_FETCH(); - + va_start(args, format); - if (type == E_THROW) { #ifdef ZEND_ENGINE_2 + if ((type == E_THROW) || (PG(error_handling) == EH_THROW)) { char *message; + vspprintf(&message, 0, format, args); - zend_throw_exception(http_exception_get_default(), message, code TSRMLS_CC); -#else - type = E_WARNING; + zend_throw_exception(http_exception_get_for_code(code), message, code TSRMLS_CC); + } else #endif + php_verror(NULL, "", type, format, args TSRMLS_CC); + va_end(args); +} +/* }}} */ + +/* {{{ void http_log(char *, char *, char *) */ +void _http_log_ex(char *file, const char *ident, const char *message TSRMLS_DC) +{ + time_t now; + struct tm nowtm; + char datetime[128]; + + time(&now); + strftime(datetime, sizeof(datetime), "%Y-%m-%d %H:%M:%S", php_localtime_r(&now, &nowtm)); + +#define HTTP_LOG_WRITE(file, type, msg) \ + if (file && strlen(file)) { \ + php_stream *log = php_stream_open_wrapper(file, "ab", REPORT_ERRORS|ENFORCE_SAFE_MODE, NULL); \ + \ + if (log) { \ + php_stream_printf(log TSRMLS_CC, "%s\t[%s]\t%s\t<%s>%s", datetime, type, msg, SG(request_info).request_uri, PHP_EOL); \ + php_stream_close(log); \ + } \ + \ + } + + HTTP_LOG_WRITE(file, ident, message); + HTTP_LOG_WRITE(HTTP_G(log).composite, ident, message); +} +/* }}} */ + +/* {{{ STATUS http_exit(int, char*, char*) */ +STATUS _http_exit_ex(int status, char *header, char *body, zend_bool send_header TSRMLS_DC) +{ + if (status || send_header) { + if (SUCCESS != http_send_status_header(status, send_header ? header : NULL)) { + http_error_ex(HE_WARNING, HTTP_E_HEADER, "Failed to exit with status/header: %d - %s", status, header ? header : ""); + STR_FREE(header); + STR_FREE(body); + return FAILURE; + } } - if (type != E_THROW) { - php_verror(NULL, "", type, format, args TSRMLS_CC); + + if (body) { + PHPWRITE(body, strlen(body)); } - va_end(args); + + 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 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); + + zend_bailout(); + /* fake */ + return SUCCESS; +} +/* }}} */ + +/* {{{ STATUS http_check_method(char *) */ +STATUS _http_check_method_ex(const char *method, const char *methods) +{ + const char *found; + + if ( (found = strstr(methods, method)) && + (found == method || !isalpha(found[-1])) && + (!isalpha(found[strlen(method) + 1]))) { + return SUCCESS; + } + return FAILURE; } /* }}} */ /* {{{ zval *http_get_server_var_ex(char *, size_t) */ PHP_HTTP_API zval *_http_get_server_var_ex(const char *key, size_t key_size, zend_bool check TSRMLS_DC) { + zval **hsv; zval **var; - if (SUCCESS == zend_hash_find(HTTP_SERVER_VARS, (char *) key, key_size, (void **) &var)) { - if (check) { - return Z_STRVAL_PP(var) && Z_STRLEN_PP(var) ? *var : NULL; - } else { - return *var; - } + + if (SUCCESS != zend_hash_find(&EG(symbol_table), "_SERVER", sizeof("_SERVER"), (void **) &hsv)) { + return NULL; + } + if (SUCCESS != zend_hash_find(Z_ARRVAL_PP(hsv), (char *) key, key_size, (void **) &var)) { + return NULL; } - return NULL; + if (check && !(Z_STRVAL_PP(var) && Z_STRLEN_PP(var))) { + return NULL; + } + return *var; } /* }}} */ +/* {{{ STATUS http_get_request_body(char **, size_t *) */ +PHP_HTTP_API STATUS _http_get_request_body_ex(char **body, size_t *length, zend_bool dup TSRMLS_DC) +{ + *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); + return SUCCESS; + } + return FAILURE; +} +/* }}} */ -/* {{{ STATUS http_chunked_decode(char *, size_t, char **, size_t *) */ -PHP_HTTP_API STATUS _http_chunked_decode(const char *encoded, size_t encoded_len, - char **decoded, size_t *decoded_len TSRMLS_DC) +/* {{{ char *http_chunked_decode(char *, size_t, char **, size_t *) */ +PHP_HTTP_API const char *_http_chunked_decode(const char *encoded, size_t encoded_len, char **decoded, size_t *decoded_len TSRMLS_DC) { const char *e_ptr; char *d_ptr; - + long rest; + *decoded_len = 0; *decoded = ecalloc(1, encoded_len); d_ptr = *decoded; e_ptr = encoded; - while (((e_ptr - encoded) - encoded_len) > 0) { - char hex_len[9] = {0}; - size_t chunk_len = 0; - int i = 0; + while ((rest = encoded + encoded_len - e_ptr) > 0) { + long chunk_len = 0; + int EOL_len = 0, eol_mismatch = 0; + char *n_ptr; + + chunk_len = strtol(e_ptr, &n_ptr, 16); - /* read in chunk size */ - while (isxdigit(*e_ptr)) { - if (i == 9) { - http_error_ex(E_WARNING, HTTP_E_PARSE, "Chunk size is too long: 0x%s...", hex_len); + /* check if: + * - we could not read in chunk size + * - we got a negative chunk size + * - chunk size is greater then remaining size + * - chunk size is not followed by (CR)LF|NUL + */ + if ( (n_ptr == e_ptr) || (chunk_len < 0) || (chunk_len > rest) || + (*n_ptr && (eol_mismatch = (n_ptr != http_locate_eol(e_ptr, &EOL_len))))) { + /* don't fail on apperently not encoded data */ + if (e_ptr == encoded) { + memcpy(*decoded, encoded, encoded_len); + *decoded_len = encoded_len; + return encoded + encoded_len; + } else { efree(*decoded); - return FAILURE; + if (eol_mismatch) { + if (EOL_len == 2) { + http_error_ex(HE_WARNING, HTTP_E_ENCODING, "Invalid character (expected 0x0D 0x0A; got: 0x%X 0x%X)", *n_ptr, *(n_ptr + 1)); + } else { + http_error_ex(HE_WARNING, HTTP_E_ENCODING, "Invalid character (expected 0x0A; got: 0x%X)", *n_ptr); + } + } else { + char *error = estrndup(n_ptr, strcspn(n_ptr, "\r\n ")); + http_error_ex(HE_WARNING, HTTP_E_ENCODING, "Invalid chunk size: '%s' at pos %d", error, n_ptr - encoded); + efree(error); + } + return NULL; } - hex_len[i++] = *e_ptr++; + } else { + e_ptr = n_ptr; } /* reached the end */ - if (!strcmp(hex_len, "0")) { + if (!chunk_len) { break; } - /* new line */ - if (strncmp(e_ptr, HTTP_CRLF, 2)) { - http_error_ex(E_WARNING, HTTP_E_PARSE, "Invalid character (expected 0x0D 0x0A; got: %x %x)", *e_ptr, *(e_ptr + 1)); - efree(*decoded); - return FAILURE; - } - - /* hex to long */ - { - char *error = NULL; - chunk_len = strtol(hex_len, &error, 16); - if (error == hex_len) { - http_error_ex(E_WARNING, HTTP_E_PARSE, "Invalid chunk size string: '%s'", hex_len); - efree(*decoded); - return FAILURE; - } - } - - memcpy(d_ptr, e_ptr += 2, chunk_len); + memcpy(d_ptr, e_ptr += EOL_len, chunk_len); d_ptr += chunk_len; - e_ptr += chunk_len + 2; + e_ptr += chunk_len + EOL_len; *decoded_len += chunk_len; } - return SUCCESS; + return e_ptr; } /* }}} */ -/* {{{ STATUS http_split_response(zval *, zval *, zval *) */ -PHP_HTTP_API STATUS _http_split_response(zval *response, zval *headers, zval *body TSRMLS_DC) +/* {{{ char *http_guess_content_type(char *magic_file, long magic_mode, void *data, size_t size, http_send_mode mode) */ +PHP_HTTP_API char *_http_guess_content_type(const char *magicfile, long magicmode, void *data_ptr, size_t data_len, http_send_mode data_mode TSRMLS_DC) { - char *b = NULL; - size_t l = 0; - STATUS status = http_split_response_ex(Z_STRVAL_P(response), Z_STRLEN_P(response), Z_ARRVAL_P(headers), &b, &l); - ZVAL_STRINGL(body, b, l, 0); - return status; -} -/* }}} */ + char *ct = NULL; -/* {{{ STATUS http_split_response(char *, size_t, HashTable *, char **, size_t *) */ -PHP_HTTP_API STATUS _http_split_response_ex(char *response, size_t response_len, - HashTable *headers, char **body, size_t *body_len TSRMLS_DC) -{ - char *header = response, *real_body = NULL; - - while (0 < (response_len - (response - header + 4))) { - if ( (*response++ == '\r') && - (*response++ == '\n') && - (*response++ == '\r') && - (*response++ == '\n')) { - real_body = response; +#ifdef HTTP_HAVE_MAGIC + /* magic_load() fails if MAGIC_MIME is set because it + cowardly adds .mime to the file name */ + struct magic_set *magic = magic_open(magicmode &~ MAGIC_MIME); + + if (!magic) { + http_error_ex(HE_WARNING, HTTP_E_INVALID_PARAM, "Invalid magic mode: %ld", magicmode); + } else if (-1 == magic_load(magic, magicfile)) { + http_error_ex(HE_WARNING, HTTP_E_RUNTIME, "Failed to load magic database '%s' (%s)", magicfile, magic_error(magic)); + } else { + const char *ctype = NULL; + + magic_setflags(magic, magicmode); + + switch (data_mode) + { + case SEND_RSRC: + { + char *buffer; + size_t b_len; + + b_len = php_stream_copy_to_mem(data_ptr, &buffer, 65536, 0); + ctype = magic_buffer(magic, buffer, b_len); + efree(buffer); + } break; + + case SEND_DATA: + ctype = magic_buffer(magic, data_ptr, data_len); + break; + + default: + ctype = magic_file(magic, data_ptr); + break; + } + + if (ctype) { + ct = estrdup(ctype); + } else { + http_error_ex(HE_WARNING, HTTP_E_RUNTIME, "Failed to guess Content-Type: %s", magic_error(magic)); } } - - if (real_body && (*body_len = (response_len - (real_body - header)))) { - *body = ecalloc(1, *body_len + 1); - memcpy(*body, real_body, *body_len); + if (magic) { + magic_close(magic); } - - return http_parse_headers_ex(header, real_body ? response_len - *body_len : response_len, headers, 1); +#else + http_error(HE_WARNING, HTTP_E_RUNTIME, "Cannot guess Content-Type; libmagic not available"); +#endif + + return ct; } /* }}} */ - /* * Local variables: * tab-width: 4