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http: Add 'post_data', a new option which sets custom HTTP post data

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This allows doing http posts with a content-length header sent
in advance, avoiding chunked encoding.

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Samuel Pitoiset 2012-05-30 11:27:18 +02:00 committed by Martin Storsjö
parent c7bd556d48
commit 1876e7c0c2
1 changed files with 19 additions and 1 deletions
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20
libavformat/http.c
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@ -54,6 +54,8 @@ typedef struct {
int end_chunked_post; /**< A flag which indicates if the end of chunked encoding has been sent. */
int end_header; /**< A flag which indicates we have finished to read POST reply. */
int multiple_requests; /**< A flag which indicates if we use persistent connections. */
uint8_t *post_data;
int post_datalen;
} HTTPContext;
#define OFFSET(x) offsetof(HTTPContext, x)
@ -63,6 +65,7 @@ static const AVOption options[] = {
{"chunked_post", "use chunked transfer-encoding for posts", OFFSET(chunked_post), AV_OPT_TYPE_INT, {.dbl = 1}, 0, 1, E },
{"headers", "custom HTTP headers, can override built in default headers", OFFSET(headers), AV_OPT_TYPE_STRING, { 0 }, 0, 0, D|E },
{"multiple_requests", "use persistent connections", OFFSET(multiple_requests), AV_OPT_TYPE_INT, {.dbl = 0}, 0, 1, D|E },
{"post_data", "custom HTTP post data", OFFSET(post_data), AV_OPT_TYPE_BINARY, .flags = D|E },
{NULL}
};
#define HTTP_CLASS(flavor)\
@ -382,6 +385,14 @@ static int http_connect(URLContext *h, const char *path, const char *local_path,
/* send http header */
post = h->flags & AVIO_FLAG_WRITE;
if (s->post_data) {
/* force POST method and disable chunked encoding when
* custom HTTP post data is set */
post = 1;
s->chunked_post = 0;
}
method = post ? "POST" : "GET";
authstr = ff_http_auth_create_response(&s->auth_state, auth, local_path,
method);
@ -412,6 +423,9 @@ static int http_connect(URLContext *h, const char *path, const char *local_path,
if (!has_header(s->headers, "\r\nHost: "))
len += av_strlcatf(headers + len, sizeof(headers) - len,
"Host: %s\r\n", hoststr);
if (!has_header(s->headers, "\r\nContent-Length: ") && s->post_data)
len += av_strlcatf(headers + len, sizeof(headers) - len,
"Content-Length: %d\r\n", s->post_datalen);
/* now add in custom headers */
if (s->headers)
@ -436,6 +450,10 @@ static int http_connect(URLContext *h, const char *path, const char *local_path,
if (ffurl_write(s->hd, s->buffer, strlen(s->buffer)) < 0)
return AVERROR(EIO);
if (s->post_data)
if ((err = ffurl_write(s->hd, s->post_data, s->post_datalen)) < 0)
return err;
/* init input buffer */
s->buf_ptr = s->buffer;
s->buf_end = s->buffer;
@ -445,7 +463,7 @@ static int http_connect(URLContext *h, const char *path, const char *local_path,
s->willclose = 0;
s->end_chunked_post = 0;
s->end_header = 0;
if (post) {
if (post && !s->post_data) {
/* Pretend that it did work. We didn't read any header yet, since
* we've still to send the POST data, but the code calling this
* function will check http_code after we return. */