99 lines
2.1 KiB
C
99 lines
2.1 KiB
C
#ifndef HTTP_H
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#define HTTP_H
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdio.h>
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struct http_payload
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{
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enum http_op
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{
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HTTP_OP_GET,
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HTTP_OP_POST
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} op;
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const char *resource;
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struct http_cookie
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{
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const char *field, *value;
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} cookie;
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union
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{
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struct http_post
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{
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bool expect_continue;
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const void *data;
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size_t n;
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const char *dir;
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const struct http_post_file
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{
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const char *tmpname, *filename;
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} *files;
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} post;
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} u;
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};
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#define HTTP_STATUSES \
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X(CONTINUE, "Continue", 100) \
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X(OK, "OK", 200) \
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X(SEE_OTHER, "See other", 303) \
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X(BAD_REQUEST, "Bad Request", 400) \
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X(UNAUTHORIZED, "Unauthorized", 401) \
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X(FORBIDDEN, "Forbidden", 403) \
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X(NOT_FOUND, "Not found", 404) \
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X(INTERNAL_ERROR, "Internal Server Error", 500)
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struct http_response
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{
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enum http_status
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{
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#define X(x, y, z) HTTP_STATUS_##x,
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HTTP_STATUSES
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#undef X
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} status;
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struct http_header
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{
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char *header, *value;
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} *headers;
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union
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{
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const void *ro;
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void *rw;
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} buf;
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FILE *f;
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unsigned long long n;
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size_t n_headers;
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void (*free)(void *);
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};
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struct http_cfg
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{
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int (*read)(void *buf , size_t n, void *user);
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int (*write)(const void *buf, size_t n, void *user);
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int (*payload)(const struct http_payload *p, struct http_response *r,
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void *user);
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int (*length)(unsigned long long len, const struct http_cookie *c,
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void *user);
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const char *tmpdir;
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void *user;
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};
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struct http_ctx *http_alloc(const struct http_cfg *cfg);
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void http_free(struct http_ctx *h);
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/* Positive return value: user input error, negative: fatal error. */
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int http_update(struct http_ctx *h, bool *write, bool *close);
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int http_response_add_header(struct http_response *r, const char *header,
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const char *value);
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char *http_cookie_create(const char *key, const char *value);
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char *http_encode_url(const char *url);
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char *http_decode_url(const char *url);
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#endif /* HTTP_H */
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