* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include "libavutil/base64.h"
#include "libavutil/avstring.h"
#include "avformat.h"
#include <unistd.h>
#include <strings.h>
+#include "internal.h"
#include "network.h"
#include "os_support.h"
+#include "httpauth.h"
/* XXX: POST protocol is not completely implemented because ffmpeg uses
only a subset of it. */
int64_t chunksize; /**< Used if "Transfer-Encoding: chunked" otherwise -1. */
int64_t off, filesize;
char location[URL_SIZE];
+ HTTPAuthState auth_state;
} HTTPContext;
static int http_connect(URLContext *h, const char *path, const char *hoststr,
const char *auth, int *new_location);
-static int http_write(URLContext *h, uint8_t *buf, int size);
+static int http_write(URLContext *h, const uint8_t *buf, int size);
/* return non zero if error */
char path1[1024];
char buf[1024];
int port, use_proxy, err, location_changed = 0, redirects = 0;
+ HTTPAuthType cur_auth_type;
HTTPContext *s = h->priv_data;
URLContext *hd = NULL;
/* fill the dest addr */
redo:
/* needed in any case to build the host string */
- url_split(NULL, 0, auth, sizeof(auth), hostname, sizeof(hostname), &port,
- path1, sizeof(path1), s->location);
- if (port > 0) {
- snprintf(hoststr, sizeof(hoststr), "%s:%d", hostname, port);
- } else {
- av_strlcpy(hoststr, hostname, sizeof(hoststr));
- }
+ ff_url_split(NULL, 0, auth, sizeof(auth), hostname, sizeof(hostname), &port,
+ path1, sizeof(path1), s->location);
+ ff_url_join(hoststr, sizeof(hoststr), NULL, NULL, hostname, port, NULL);
if (use_proxy) {
- url_split(NULL, 0, auth, sizeof(auth), hostname, sizeof(hostname), &port,
- NULL, 0, proxy_path);
+ ff_url_split(NULL, 0, auth, sizeof(auth), hostname, sizeof(hostname), &port,
+ NULL, 0, proxy_path);
path = s->location;
} else {
if (path1[0] == '\0')
if (port < 0)
port = 80;
- snprintf(buf, sizeof(buf), "tcp://%s:%d", hostname, port);
+ ff_url_join(buf, sizeof(buf), "tcp", NULL, hostname, port, NULL);
err = url_open(&hd, buf, URL_RDWR);
if (err < 0)
goto fail;
s->hd = hd;
+ cur_auth_type = s->auth_state.auth_type;
if (http_connect(h, path, hoststr, auth, &location_changed) < 0)
goto fail;
+ if (s->http_code == 401) {
+ if (cur_auth_type == HTTP_AUTH_NONE && s->auth_state.auth_type != HTTP_AUTH_NONE) {
+ url_close(hd);
+ goto redo;
+ } else
+ goto fail;
+ }
if ((s->http_code == 302 || s->http_code == 303) && location_changed == 1) {
/* url moved, get next */
url_close(hd);
s->filesize = -1;
s->chunksize = -1;
s->off = 0;
+ memset(&s->auth_state, 0, sizeof(s->auth_state));
av_strlcpy(s->location, uri, URL_SIZE);
ret = http_open_cnx(h);
dprintf(NULL, "http_code=%d\n", s->http_code);
- /* error codes are 4xx and 5xx */
- if (s->http_code >= 400 && s->http_code < 600)
+ /* error codes are 4xx and 5xx, but regard 401 as a success, so we
+ * don't abort until all headers have been parsed. */
+ if (s->http_code >= 400 && s->http_code < 600 && s->http_code != 401)
return -1;
} else {
while (*p != '\0' && *p != ':')
} else if (!strcmp (tag, "Transfer-Encoding") && !strncasecmp(p, "chunked", 7)) {
s->filesize = -1;
s->chunksize = 0;
+ } else if (!strcmp (tag, "WWW-Authenticate")) {
+ ff_http_auth_handle_header(&s->auth_state, tag, p);
+ } else if (!strcmp (tag, "Authentication-Info")) {
+ ff_http_auth_handle_header(&s->auth_state, tag, p);
}
}
return 1;
HTTPContext *s = h->priv_data;
int post, err;
char line[1024];
- char *auth_b64;
- int auth_b64_len = (strlen(auth) + 2) / 3 * 4 + 1;
+ char *authstr = NULL;
int64_t off = s->off;
/* send http header */
post = h->flags & URL_WRONLY;
- auth_b64 = av_malloc(auth_b64_len);
- av_base64_encode(auth_b64, auth_b64_len, auth, strlen(auth));
+ authstr = ff_http_auth_create_response(&s->auth_state, auth, path,
+ post ? "POST" : "GET");
snprintf(s->buffer, sizeof(s->buffer),
"%s %s HTTP/1.1\r\n"
"User-Agent: %s\r\n"
"Accept: */*\r\n"
"Range: bytes=%"PRId64"-\r\n"
"Host: %s\r\n"
- "Authorization: Basic %s\r\n"
+ "%s"
"Connection: close\r\n"
"%s"
"\r\n",
LIBAVFORMAT_IDENT,
s->off,
hoststr,
- auth_b64,
+ authstr ? authstr : "",
post ? "Transfer-Encoding: chunked\r\n" : "");
- av_freep(&auth_b64);
+ av_freep(&authstr);
if (http_write(h, s->buffer, strlen(s->buffer)) < 0)
return AVERROR(EIO);
if (post) {
/* always use chunked encoding for upload data */
s->chunksize = 0;
+ /* 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. */
+ s->http_code = 200;
return 0;
}
}
/* used only when posting data */
-static int http_write(URLContext *h, uint8_t *buf, int size)
+static int http_write(URLContext *h, const uint8_t *buf, int size)
{
char temp[11]; /* 32-bit hex + CRLF + nul */
int ret;
HTTPContext *s = h->priv_data;
URLContext *old_hd = s->hd;
int64_t old_off = s->off;
+ uint8_t old_buf[BUFFER_SIZE];
+ int old_buf_size;
if (whence == AVSEEK_SIZE)
return s->filesize;
return -1;
/* we save the old context in case the seek fails */
+ old_buf_size = s->buf_end - s->buf_ptr;
+ memcpy(old_buf, s->buf_ptr, old_buf_size);
s->hd = NULL;
if (whence == SEEK_CUR)
off += s->off;
/* if it fails, continue on old connection */
if (http_open_cnx(h) < 0) {
+ memcpy(s->buffer, old_buf, old_buf_size);
+ s->buf_ptr = s->buffer;
+ s->buf_end = s->buffer + old_buf_size;
s->hd = old_hd;
s->off = old_off;
return -1;