| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * HTTP definitions | ||
| 3 | * Copyright (c) 2010 Josh Allmann | ||
| 4 | * | ||
| 5 | * This file is part of FFmpeg. | ||
| 6 | * | ||
| 7 | * FFmpeg is free software; you can redistribute it and/or | ||
| 8 | * modify it under the terms of the GNU Lesser General Public | ||
| 9 | * License as published by the Free Software Foundation; either | ||
| 10 | * version 2.1 of the License, or (at your option) any later version. | ||
| 11 | * | ||
| 12 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 15 | * Lesser General Public License for more details. | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU Lesser General Public | ||
| 18 | * License along with FFmpeg; if not, write to the Free Software | ||
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 20 | */ | ||
| 21 | |||
| 22 | #ifndef AVFORMAT_HTTP_H | ||
| 23 | #define AVFORMAT_HTTP_H | ||
| 24 | |||
| 25 | #include <string.h> | ||
| 26 | |||
| 27 | #include "libavutil/dict.h" | ||
| 28 | #include "libavutil/error.h" | ||
| 29 | #include "libavutil/log.h" | ||
| 30 | #include "url.h" | ||
| 31 | |||
| 32 | #define HTTP_HEADERS_SIZE 4096 | ||
| 33 | |||
| 34 | /** | ||
| 35 | * Parsed form of a response status line. | ||
| 36 | */ | ||
| 37 | typedef struct HTTPStatusLine { | ||
| 38 | char version[4]; /**< protocol version, e.g. "1.1" */ | ||
| 39 | int code; /**< response status code */ | ||
| 40 | const char *reason; /**< reason phrase, points into the parsed line */ | ||
| 41 | int willclose; /**< the version implies the connection will close */ | ||
| 42 | } HTTPStatusLine; | ||
| 43 | |||
| 44 | /** | ||
| 45 | * Parse the status line of an HTTP response. | ||
| 46 | * | ||
| 47 | * @param logctx context used for logging, may be NULL | ||
| 48 | * @param line NUL terminated status line, without its trailing CRLF | ||
| 49 | * @param st filled in with the parsed status line | ||
| 50 | * @return 0 on success, a negative AVERROR code on failure | ||
| 51 | */ | ||
| 52 | int ff_http_parse_status_line(void *logctx, const char *line, | ||
| 53 | HTTPStatusLine *st); | ||
| 54 | |||
| 55 | /** | ||
| 56 | * Split an in-band ICY metadata packet into its "Key='Value';" pairs. | ||
| 57 | * | ||
| 58 | * @param logctx context used for logging, may be NULL | ||
| 59 | * @param metadata dictionary the pairs are stored in | ||
| 60 | * @param data NUL terminated packet, split in place | ||
| 61 | */ | ||
| 62 | ✗ | static inline void ff_http_parse_icy_packet(void *logctx, | |
| 63 | AVDictionary **metadata, char *data) | ||
| 64 | { | ||
| 65 | ✗ | char *next = data; | |
| 66 | |||
| 67 | ✗ | while (*next) { | |
| 68 | ✗ | char *key = next, *val, *end; | |
| 69 | |||
| 70 | ✗ | if (!(val = strstr(key, "='")) || !(end = strstr(val, "';"))) | |
| 71 | break; | ||
| 72 | |||
| 73 | ✗ | *val = '\0'; | |
| 74 | ✗ | *end = '\0'; | |
| 75 | ✗ | val += 2; | |
| 76 | |||
| 77 | ✗ | av_dict_set(metadata, key, val, 0); | |
| 78 | ✗ | av_log(logctx, AV_LOG_VERBOSE, "Metadata update for %s: %s\n", key, val); | |
| 79 | |||
| 80 | ✗ | next = end + 2; | |
| 81 | } | ||
| 82 | ✗ | } | |
| 83 | |||
| 84 | /** | ||
| 85 | * Initialize the authentication state based on another HTTP URLContext. | ||
| 86 | * This can be used to pre-initialize the authentication parameters if | ||
| 87 | * they are known beforehand, to avoid having to do an initial failing | ||
| 88 | * request just to get the parameters. | ||
| 89 | * | ||
| 90 | * @param dest URL context whose authentication state gets updated | ||
| 91 | * @param src URL context whose authentication state gets copied | ||
| 92 | */ | ||
| 93 | void ff_http_init_auth_state(URLContext *dest, const URLContext *src); | ||
| 94 | |||
| 95 | /** | ||
| 96 | * Send a new HTTP request, reusing the old connection. | ||
| 97 | * | ||
| 98 | * @param h pointer to the resource | ||
| 99 | * @param uri uri used to perform the request | ||
| 100 | * @return a negative value if an error condition occurred, 0 | ||
| 101 | * otherwise | ||
| 102 | */ | ||
| 103 | int ff_http_do_new_request(URLContext *h, const char *uri); | ||
| 104 | |||
| 105 | /** | ||
| 106 | * Send a new HTTP request, reusing the old connection. | ||
| 107 | * | ||
| 108 | * @param h pointer to the resource | ||
| 109 | * @param uri uri used to perform the request | ||
| 110 | * @param options A dictionary filled with HTTP options. On return | ||
| 111 | * this parameter will be destroyed and replaced with a dict containing options | ||
| 112 | * that were not found. May be NULL. | ||
| 113 | * @return a negative value if an error condition occurred, 0 | ||
| 114 | * otherwise | ||
| 115 | */ | ||
| 116 | int ff_http_do_new_request2(URLContext *h, const char *uri, AVDictionary **options); | ||
| 117 | |||
| 118 | const char* ff_http_get_new_location(URLContext *h); | ||
| 119 | |||
| 120 | ✗ | static inline int ff_http_averror(int status_code, int default_averror) | |
| 121 | { | ||
| 122 | ✗ | switch (status_code) { | |
| 123 | ✗ | case 400: return AVERROR_HTTP_BAD_REQUEST; | |
| 124 | ✗ | case 401: return AVERROR_HTTP_UNAUTHORIZED; | |
| 125 | ✗ | case 403: return AVERROR_HTTP_FORBIDDEN; | |
| 126 | ✗ | case 404: return AVERROR_HTTP_NOT_FOUND; | |
| 127 | ✗ | case 429: return AVERROR_HTTP_TOO_MANY_REQUESTS; | |
| 128 | ✗ | default: break; | |
| 129 | } | ||
| 130 | ✗ | if (status_code >= 400 && status_code <= 499) | |
| 131 | ✗ | return AVERROR_HTTP_OTHER_4XX; | |
| 132 | ✗ | else if (status_code >= 500) | |
| 133 | ✗ | return AVERROR_HTTP_SERVER_ERROR; | |
| 134 | else | ||
| 135 | ✗ | return default_averror; | |
| 136 | } | ||
| 137 | |||
| 138 | #endif /* AVFORMAT_HTTP_H */ | ||
| 139 |