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/**
* @file re_http.h Hypertext Transfer Protocol
*
* Copyright (C) 2010 Creytiv.com
*/
/** HTTP Header ID (perfect hash value) */
enum http_hdrid {
HTTP_HDR_ACCEPT = 3186,
HTTP_HDR_ACCEPT_CHARSET = 24,
HTTP_HDR_ACCEPT_ENCODING = 708,
HTTP_HDR_ACCEPT_LANGUAGE = 2867,
HTTP_HDR_ACCEPT_RANGES = 3027,
HTTP_HDR_AGE = 742,
HTTP_HDR_ALLOW = 2429,
HTTP_HDR_AUTHORIZATION = 2503,
HTTP_HDR_CACHE_CONTROL = 2530,
HTTP_HDR_CONNECTION = 865,
HTTP_HDR_CONTENT_ENCODING = 580,
HTTP_HDR_CONTENT_LANGUAGE = 3371,
HTTP_HDR_CONTENT_LENGTH = 3861,
HTTP_HDR_CONTENT_LOCATION = 3927,
HTTP_HDR_CONTENT_MD5 = 406,
HTTP_HDR_CONTENT_RANGE = 2846,
HTTP_HDR_CONTENT_TYPE = 809,
HTTP_HDR_DATE = 1027,
HTTP_HDR_ETAG = 2392,
HTTP_HDR_EXPECT = 1550,
HTTP_HDR_EXPIRES = 1983,
HTTP_HDR_FROM = 1963,
HTTP_HDR_HOST = 3191,
HTTP_HDR_IF_MATCH = 2684,
HTTP_HDR_IF_MODIFIED_SINCE = 2187,
HTTP_HDR_IF_NONE_MATCH = 4030,
HTTP_HDR_IF_RANGE = 2220,
HTTP_HDR_IF_UNMODIFIED_SINCE = 962,
HTTP_HDR_LAST_MODIFIED = 2946,
HTTP_HDR_LOCATION = 2514,
HTTP_HDR_MAX_FORWARDS = 3549,
HTTP_HDR_PRAGMA = 1673,
HTTP_HDR_PROXY_AUTHENTICATE = 116,
HTTP_HDR_PROXY_AUTHORIZATION = 2363,
HTTP_HDR_RANGE = 4004,
HTTP_HDR_REFERER = 2991,
HTTP_HDR_RETRY_AFTER = 409,
HTTP_HDR_SEC_WEBSOCKET_ACCEPT = 2959,
HTTP_HDR_SEC_WEBSOCKET_EXTENSIONS = 2937,
HTTP_HDR_SEC_WEBSOCKET_KEY = 746,
HTTP_HDR_SEC_WEBSOCKET_PROTOCOL = 2076,
HTTP_HDR_SEC_WEBSOCKET_VERSION = 3158,
HTTP_HDR_SERVER = 973,
HTTP_HDR_TE = 2035,
HTTP_HDR_TRAILER = 2577,
HTTP_HDR_TRANSFER_ENCODING = 2115,
HTTP_HDR_UPGRADE = 717,
HTTP_HDR_USER_AGENT = 4064,
HTTP_HDR_VARY = 3076,
HTTP_HDR_VIA = 3961,
HTTP_HDR_WARNING = 2108,
HTTP_HDR_WWW_AUTHENTICATE = 2763,
HTTP_HDR_NONE = -1
};
/** HTTP Header */
struct http_hdr {
struct le le; /**< Linked-list element */
struct pl name; /**< HTTP Header name */
struct pl val; /**< HTTP Header value */
enum http_hdrid id; /**< HTTP Header id (unique) */
};
/** HTTP Message */
struct http_msg {
struct pl ver; /**< HTTP Version number */
struct pl met; /**< Request Method */
struct pl path; /**< Request path/resource */
struct pl prm; /**< Request parameters */
uint16_t scode; /**< Response Status code */
struct pl reason; /**< Response Reason phrase */
struct list hdrl; /**< List of HTTP headers (struct http_hdr) */
struct msg_ctype ctyp; /**< Content-type */
struct mbuf *_mb; /**< Buffer containing the HTTP message */
struct mbuf *mb; /**< Buffer containing the HTTP body */
uint32_t clen; /**< Content length */
};
struct http_uri {
struct pl scheme;
struct pl host;
struct pl port;
struct pl path;
};
int http_uri_decode(struct http_uri *hu, const struct pl *uri);
/** Http Client configuration */
struct http_conf {
uint32_t conn_timeout; /* in [ms] */
uint32_t recv_timeout; /* in [ms] */
uint32_t idle_timeout; /* in [ms] */
};
typedef bool(http_hdr_h)(const struct http_hdr *hdr, void *arg);
int http_msg_decode(struct http_msg **msgp, struct mbuf *mb, bool req);
const struct http_hdr *http_msg_hdr(const struct http_msg *msg,
enum http_hdrid id);
const struct http_hdr *http_msg_hdr_apply(const struct http_msg *msg,
bool fwd, enum http_hdrid id,
http_hdr_h *h, void *arg);
const struct http_hdr *http_msg_xhdr(const struct http_msg *msg,
const char *name);
const struct http_hdr *http_msg_xhdr_apply(const struct http_msg *msg,
bool fwd, const char *name,
http_hdr_h *h, void *arg);
uint32_t http_msg_hdr_count(const struct http_msg *msg, enum http_hdrid id);
uint32_t http_msg_xhdr_count(const struct http_msg *msg, const char *name);
bool http_msg_hdr_has_value(const struct http_msg *msg, enum http_hdrid id,
const char *value);
bool http_msg_xhdr_has_value(const struct http_msg *msg, const char *name,
const char *value);
int http_msg_print(struct re_printf *pf, const struct http_msg *msg);
/* Client */
struct http_cli;
struct http_req;
struct dnsc;
struct tcp_conn;
struct tls_conn;
typedef void (http_resp_h)(int err, const struct http_msg *msg, void *arg);
typedef int (http_data_h)(const uint8_t *buf, size_t size,
const struct http_msg *msg, void *arg);
typedef void (http_conn_h)(struct tcp_conn *tc, struct tls_conn *sc,
void *arg);
int http_client_alloc(struct http_cli **clip, struct dnsc *dnsc);
int http_client_set_config(struct http_cli *cli, struct http_conf *conf);
int http_request(struct http_req **reqp, struct http_cli *cli, const char *met,
const char *uri, http_resp_h *resph, http_data_h *datah,
void *arg, const char *fmt, ...);
void http_req_set_conn_handler(struct http_req *req, http_conn_h *connh);
void http_client_set_laddr(struct http_cli *cli, const struct sa *addr);
void http_client_set_laddr6(struct http_cli *cli, const struct sa *addr);
#ifdef USE_TLS
int http_client_add_ca(struct http_cli *cli, const char *tls_ca);
int http_client_add_capem(struct http_cli *cli, const char *capem);
int http_client_set_tls_hostname(struct http_cli *cli,
const struct pl *hostname);
int http_client_set_cert(struct http_cli *cli, const char *path);
int http_client_set_certpem(struct http_cli *cli, const char *pem);
int http_client_set_key(struct http_cli *cli, const char *path);
int http_client_set_keypem(struct http_cli *cli, const char *pem);
#endif
/* Server */
struct http_sock;
struct http_conn;
typedef void (http_req_h)(struct http_conn *conn, const struct http_msg *msg,
void *arg);
int http_listen(struct http_sock **sockp, const struct sa *laddr,
http_req_h *reqh, void *arg);
int https_listen(struct http_sock **sockp, const struct sa *laddr,
const char *cert, http_req_h *reqh, void *arg);
struct tcp_sock *http_sock_tcp(struct http_sock *sock);
const struct sa *http_conn_peer(const struct http_conn *conn);
struct tcp_conn *http_conn_tcp(struct http_conn *conn);
struct tls_conn *http_conn_tls(struct http_conn *conn);
void http_conn_reset_timeout(struct http_conn *conn);
void http_conn_close(struct http_conn *conn);
int http_reply(struct http_conn *conn, uint16_t scode, const char *reason,
const char *fmt, ...);
int http_creply(struct http_conn *conn, uint16_t scode, const char *reason,
const char *ctype, const char *fmt, ...);
int http_ereply(struct http_conn *conn, uint16_t scode, const char *reason);
/* Authentication */
struct http_auth {
const char *realm;
bool stale;
};
typedef int (http_auth_h)(const struct pl *username, uint8_t *ha1, void *arg);
int http_auth_print_challenge(struct re_printf *pf,
const struct http_auth *auth);
bool http_auth_check(const struct pl *hval, const struct pl *method,
struct http_auth *auth, http_auth_h *authh, void *arg);
bool http_auth_check_request(const struct http_msg *msg,
struct http_auth *auth,
http_auth_h *authh, void *arg);
/* http_reqconn - HTTP request connection */
struct http_reqconn;
int http_reqconn_alloc(struct http_reqconn **pconn,
struct http_cli *client,
http_resp_h *resph, http_data_h *datah, void* arg);
int http_reqconn_set_auth(struct http_reqconn *conn, const struct pl *user,
const struct pl *pass);
int http_reqconn_set_bearer(struct http_reqconn *conn,
const struct pl *bearer);
int http_reqconn_set_method(struct http_reqconn *conn, const struct pl *met);
int http_reqconn_set_body(struct http_reqconn *conn, const struct pl *body);
int http_reqconn_set_ctype(struct http_reqconn *conn, const struct pl *ctype);
int http_reqconn_add_header(struct http_reqconn *conn,
const struct pl *header);
int http_reqconn_clr_header(struct http_reqconn *conn);
int http_reqconn_send(struct http_reqconn *conn, const struct pl *uri);
#ifdef USE_TLS
int http_reqconn_set_tls_hostname(struct http_reqconn *conn,
const struct pl *hostname);
#endif
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