/* $OpenBSD: http.h,v 1.17 2024/03/24 10:53:27 job Exp $ */
/*
* Copyright (c) 2012 - 2015 Reyk Floeter <reyk@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef HTTP_H
#define HTTP_H
#define HTTP_PORT 80
#define HTTPS_PORT 443
enum httpmethod {
HTTP_METHOD_NONE = 0,
/* HTTP/1.1, RFC 7231 */
HTTP_METHOD_GET,
HTTP_METHOD_HEAD,
HTTP_METHOD_POST,
HTTP_METHOD_PUT,
HTTP_METHOD_DELETE,
HTTP_METHOD_OPTIONS,
HTTP_METHOD_TRACE,
HTTP_METHOD_CONNECT,
/* WebDAV, RFC 4918 */
HTTP_METHOD_PROPFIND,
HTTP_METHOD_PROPPATCH,
HTTP_METHOD_MKCOL,
HTTP_METHOD_COPY,
HTTP_METHOD_MOVE,
HTTP_METHOD_LOCK,
HTTP_METHOD_UNLOCK,
/* WebDAV Versioning Extension, RFC 3253 */
HTTP_METHOD_VERSION_CONTROL,
HTTP_METHOD_REPORT,
HTTP_METHOD_CHECKOUT,
HTTP_METHOD_CHECKIN,
HTTP_METHOD_UNCHECKOUT,
HTTP_METHOD_MKWORKSPACE,
HTTP_METHOD_UPDATE,
HTTP_METHOD_LABEL,
HTTP_METHOD_MERGE,
HTTP_METHOD_BASELINE_CONTROL,
HTTP_METHOD_MKACTIVITY,
/* WebDAV Ordered Collections, RFC 3648 */
HTTP_METHOD_ORDERPATCH,
/* WebDAV Access Control, RFC 3744 */
HTTP_METHOD_ACL,
/* WebDAV Redirect Reference Resources, RFC 4437 */
HTTP_METHOD_MKREDIRECTREF,
HTTP_METHOD_UPDATEREDIRECTREF,
/* WebDAV Search, RFC 5323 */
HTTP_METHOD_SEARCH,
/* PATCH, RFC 5789 */
HTTP_METHOD_PATCH,
/* Server response (internal value) */
HTTP_METHOD_RESPONSE
};
struct http_method {
enum httpmethod method_id;
const char *method_name;
};
#define HTTP_METHODS { \
{ HTTP_METHOD_GET, "GET" }, \
{ HTTP_METHOD_HEAD, "HEAD" }, \
{ HTTP_METHOD_POST, "POST" }, \
{ HTTP_METHOD_PUT, "PUT" }, \
{ HTTP_METHOD_DELETE, "DELETE" }, \
{ HTTP_METHOD_OPTIONS, "OPTIONS" }, \
{ HTTP_METHOD_TRACE, "TRACE" }, \
{ HTTP_METHOD_CONNECT, "CONNECT" }, \
{ HTTP_METHOD_PROPFIND, "PROPFIND" }, \
{ HTTP_METHOD_PROPPATCH, "PROPPATCH" }, \
{ HTTP_METHOD_MKCOL, "MKCOL" }, \
{ HTTP_METHOD_COPY, "COPY" }, \
{ HTTP_METHOD_MOVE, "MOVE" }, \
{ HTTP_METHOD_LOCK, "LOCK" }, \
{ HTTP_METHOD_UNLOCK, "UNLOCK" }, \
{ HTTP_METHOD_VERSION_CONTROL, "VERSION-CONTROL" }, \
{ HTTP_METHOD_REPORT, "REPORT" }, \
{ HTTP_METHOD_CHECKOUT, "CHECKOUT" }, \
{ HTTP_METHOD_CHECKIN, "CHECKIN" }, \
{ HTTP_METHOD_UNCHECKOUT, "UNCHECKOUT" }, \
{ HTTP_METHOD_MKWORKSPACE, "MKWORKSPACE" }, \
{ HTTP_METHOD_UPDATE, "UPDATE" }, \
{ HTTP_METHOD_LABEL, "LABEL" }, \
{ HTTP_METHOD_MERGE, "MERGE" }, \
{ HTTP_METHOD_BASELINE_CONTROL, "BASELINE-CONTROL" }, \
{ HTTP_METHOD_MKACTIVITY, "MKACTIVITY" }, \
{ HTTP_METHOD_ORDERPATCH, "ORDERPATCH" }, \
{ HTTP_METHOD_ACL, "ACL" }, \
{ HTTP_METHOD_MKREDIRECTREF, "MKREDIRECTREF" }, \
{ HTTP_METHOD_UPDATEREDIRECTREF, "UPDATEREDIRECTREF" }, \
{ HTTP_METHOD_SEARCH, "SEARCH" }, \
{ HTTP_METHOD_PATCH, "PATCH" }, \
{ HTTP_METHOD_NONE, NULL } \
}
struct http_error {
int error_code;
const char *error_name;
};
/*
* HTTP status codes based on IANA assignments (2014-06-11 version):
* https://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml
* plus legacy (306) and non-standard (420).
*/
#define HTTP_ERRORS { \
{ 100, "Continue" }, \
{ 101, "Switching Protocols" }, \
{ 102, "Processing" }, \
{ 103, "Early Hints" }, \
/* 104-199 unassigned */ \
{ 200, "OK" }, \
{ 201, "Created" }, \
{ 202, "Accepted" }, \
{ 203, "Non-Authoritative Information" }, \
{ 204, "No Content" }, \
{ 205, "Reset Content" }, \
{ 206, "Partial Content" }, \
{ 207, "Multi-Status" }, \
{ 208, "Already Reported" }, \
/* 209-225 unassigned */ \
{ 226, "IM Used" }, \
/* 227-299 unassigned */ \
{ 300, "Multiple Choices" }, \
{ 301, "Moved Permanently" }, \
{ 302, "Found" }, \
{ 303, "See Other" }, \
{ 304, "Not Modified" }, \
{ 305, "Use Proxy" }, \
{ 306, "Switch Proxy" }, \
{ 307, "Temporary Redirect" }, \
{ 308, "Permanent Redirect" }, \
/* 309-399 unassigned */ \
{ 400, "Bad Request" }, \
{ 401, "Unauthorized" }, \
{ 402, "Payment Required" }, \
{ 403, "Forbidden" }, \
{ 404, "Not Found" }, \
{ 405, "Method Not Allowed" }, \
{ 406, "Not Acceptable" }, \
{ 407, "Proxy Authentication Required" }, \
{ 408, "Request Timeout" }, \
{ 409, "Conflict" }, \
{ 410, "Gone" }, \
{ 411, "Length Required" }, \
{ 412, "Precondition Failed" }, \
{ 413, "Payload Too Large" }, \
{ 414, "URI Too Long" }, \
{ 415, "Unsupported Media Type" }, \
{ 416, "Range Not Satisfiable" }, \
{ 417, "Expectation Failed" }, \
{ 418, "I'm a teapot" }, \
/* 419-421 unassigned */ \
{ 420, "Enhance Your Calm" }, \
{ 422, "Unprocessable Content" }, \
{ 423, "Locked" }, \
{ 424, "Failed Dependency" }, \
{ 425, "Too Early" }, \
{ 426, "Upgrade Required" }, \
/* 427 unassigned */ \
{ 428, "Precondition Required" }, \
{ 429, "Too Many Requests" }, \
/* 430 unassigned */ \
{ 431, "Request Header Fields Too Large" }, \
/* 432-450 unassigned */ \
{ 451, "Unavailable For Legal Reasons" }, \
/* 452-499 unassigned */ \
{ 500, "Internal Server Error" }, \
{ 501, "Not Implemented" }, \
{ 502, "Bad Gateway" }, \
{ 503, "Service Unavailable" }, \
{ 504, "Gateway Timeout" }, \
{ 505, "HTTP Version Not Supported" }, \
{ 506, "Variant Also Negotiates" }, \
{ 507, "Insufficient Storage" }, \
{ 508, "Loop Detected" }, \
/* 509 unassigned */ \
{ 510, "Not Extended" }, \
{ 511, "Network Authentication Required" }, \
/* 512-599 unassigned */ \
{ 0, NULL } \
}
struct http_mediatype {
char *media_name;
char *media_type;
char *media_subtype;
};
/*
* Some default media types based on (2014-08-04 version):
* https://www.iana.org/assignments/media-types/media-types.xhtml
*/
#define MEDIA_TYPES { \
{ "css", "text", "css" }, \
{ "html", "text", "html" }, \
{ "txt", "text", "plain" }, \
{ "gif", "image", "gif" }, \
{ "jpeg", "image", "jpeg" }, \
{ "jpg", "image", "jpeg" }, \
{ "png", "image", "png" }, \
{ "svg", "image", "svg+xml" }, \
{ "js", "application", "javascript" }, \
{ NULL } \
}
/* Used during runtime */
struct http_descriptor {
struct kv http_pathquery;
struct kv http_matchquery;
#define http_path http_pathquery.kv_key
#define http_query http_pathquery.kv_value
#define http_rescode http_pathquery.kv_key
#define http_resmesg http_pathquery.kv_value
#define query_key http_matchquery.kv_key
#define query_val http_matchquery.kv_value
char *http_host;
enum httpmethod http_method;
int http_chunked;
char *http_version;
unsigned int http_status;
/* Rewritten path and query remain NULL if not used */
char *http_path_alias;
char *http_query_alias;
char *http_path_orig;
/* A tree of headers and attached lists for repeated headers. */
struct kv *http_lastheader;
struct kvtree http_headers;
};
#endif /* HTTP_H */
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