* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include "config.h"
+
+#if CONFIG_ZLIB
+#include <zlib.h>
+#endif /* CONFIG_ZLIB */
+
#include "libavutil/avstring.h"
+#include "libavutil/opt.h"
+
#include "avformat.h"
-#include <unistd.h>
+#include "http.h"
+#include "httpauth.h"
#include "internal.h"
#include "network.h"
-#include "http.h"
#include "os_support.h"
-#include "httpauth.h"
#include "url.h"
-#include "libavutil/opt.h"
/* XXX: POST protocol is not completely implemented because avconv uses
- only a subset of it. */
+ * only a subset of it. */
-/* used for protocol handling */
-#define BUFFER_SIZE 1024
+/* The IO buffer size is unrelated to the max URL size in itself, but needs
+ * to be large enough to fit the full request headers (including long
+ * path names). */
+#define BUFFER_SIZE MAX_URL_SIZE
#define MAX_REDIRECTS 8
typedef struct {
unsigned char buffer[BUFFER_SIZE], *buf_ptr, *buf_end;
int line_count;
int http_code;
- int64_t chunksize; /**< Used if "Transfer-Encoding: chunked" otherwise -1. */
- int64_t off, filesize;
- char location[MAX_URL_SIZE];
+ /* Used if "Transfer-Encoding: chunked" otherwise -1. */
+ int64_t chunksize;
+ int64_t off, end_off, filesize;
+ char *location;
HTTPAuthState auth_state;
HTTPAuthState proxy_auth_state;
char *headers;
- int willclose; /**< Set if the server correctly handles Connection: close and will close the connection after feeding us the content. */
+ char *mime_type;
+ char *user_agent;
+ char *content_type;
+ /* Set if the server correctly handles Connection: close and will close
+ * the connection after feeding us the content. */
+ int willclose;
int chunked_post;
- 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. */
+ /* A flag which indicates if the end of chunked encoding has been sent. */
+ int end_chunked_post;
+ /* A flag which indicates we have finished to read POST reply. */
+ int end_header;
+ /* A flag which indicates if we use persistent connections. */
+ int multiple_requests;
+ uint8_t *post_data;
+ int post_datalen;
+ int icy;
+ /* how much data was read since the last ICY metadata packet */
+ int icy_data_read;
+ /* after how many bytes of read data a new metadata packet will be found */
+ int icy_metaint;
+ char *icy_metadata_headers;
+ char *icy_metadata_packet;
+ AVDictionary *metadata;
+#if CONFIG_ZLIB
+ int compressed;
+ z_stream inflate_stream;
+ uint8_t *inflate_buffer;
+#endif /* CONFIG_ZLIB */
+ AVDictionary *chained_options;
+ int send_expect_100;
+ char *method;
} HTTPContext;
#define OFFSET(x) offsetof(HTTPContext, x)
#define D AV_OPT_FLAG_DECODING_PARAM
#define E AV_OPT_FLAG_ENCODING_PARAM
+#define DEFAULT_USER_AGENT "Lavf/" AV_STRINGIFY(LIBAVFORMAT_VERSION)
+
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 },
-{NULL}
+ { "chunked_post", "use chunked transfer-encoding for posts", OFFSET(chunked_post), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, E },
+ { "headers", "set custom HTTP headers, can override built in default headers", OFFSET(headers), AV_OPT_TYPE_STRING, { 0 }, 0, 0, D | E },
+ { "content_type", "set a specific content type for the POST messages", OFFSET(content_type), AV_OPT_TYPE_STRING, { 0 }, 0, 0, D | E },
+ { "user_agent", "override User-Agent header", OFFSET(user_agent), AV_OPT_TYPE_STRING, { .str = DEFAULT_USER_AGENT }, 0, 0, D },
+ { "user-agent", "override User-Agent header, for compatibility with ffmpeg", OFFSET(user_agent), AV_OPT_TYPE_STRING, { .str = DEFAULT_USER_AGENT }, 0, 0, D },
+ { "multiple_requests", "use persistent connections", OFFSET(multiple_requests), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, D | E },
+ { "post_data", "set custom HTTP post data", OFFSET(post_data), AV_OPT_TYPE_BINARY, .flags = D | E },
+ { "mime_type", "export the MIME type", OFFSET(mime_type), AV_OPT_TYPE_STRING, { 0 }, 0, 0, AV_OPT_FLAG_EXPORT | AV_OPT_FLAG_READONLY },
+ { "icy", "request ICY metadata", OFFSET(icy), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, D },
+ { "icy_metadata_headers", "return ICY metadata headers", OFFSET(icy_metadata_headers), AV_OPT_TYPE_STRING, { 0 }, 0, 0, AV_OPT_FLAG_EXPORT },
+ { "icy_metadata_packet", "return current ICY metadata packet", OFFSET(icy_metadata_packet), AV_OPT_TYPE_STRING, { 0 }, 0, 0, AV_OPT_FLAG_EXPORT },
+ { "metadata", "metadata read from the bitstream", OFFSET(metadata), AV_OPT_TYPE_DICT, {0}, 0, 0, AV_OPT_FLAG_EXPORT },
+ { "auth_type", "HTTP authentication type", OFFSET(auth_state.auth_type), AV_OPT_TYPE_INT, { .i64 = HTTP_AUTH_NONE }, HTTP_AUTH_NONE, HTTP_AUTH_BASIC, D | E, "auth_type"},
+ { "none", "No auth method set, autodetect", 0, AV_OPT_TYPE_CONST, { .i64 = HTTP_AUTH_NONE }, 0, 0, D | E, "auth_type"},
+ { "basic", "HTTP basic authentication", 0, AV_OPT_TYPE_CONST, { .i64 = HTTP_AUTH_BASIC }, 0, 0, D | E, "auth_type"},
+ { "send_expect_100", "Force sending an Expect: 100-continue header for POST", OFFSET(send_expect_100), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, E },
+ { "location", "The actual location of the data received", OFFSET(location), AV_OPT_TYPE_STRING, { 0 }, 0, 0, D | E },
+ { "offset", "initial byte offset", OFFSET(off), AV_OPT_TYPE_INT64, { .i64 = 0 }, 0, INT64_MAX, D },
+ { "end_offset", "try to limit the request to bytes preceding this offset", OFFSET(end_off), AV_OPT_TYPE_INT64, { .i64 = 0 }, 0, INT64_MAX, D },
+ { "method", "Override the HTTP method", OFFSET(method), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, E },
+ { NULL }
};
-#define HTTP_CLASS(flavor)\
-static const AVClass flavor ## _context_class = {\
- .class_name = #flavor,\
- .item_name = av_default_item_name,\
- .option = options,\
- .version = LIBAVUTIL_VERSION_INT,\
-}
-
-HTTP_CLASS(http);
-HTTP_CLASS(https);
static int http_connect(URLContext *h, const char *path, const char *local_path,
const char *hoststr, const char *auth,
void ff_http_init_auth_state(URLContext *dest, const URLContext *src)
{
- memcpy(&((HTTPContext*)dest->priv_data)->auth_state,
- &((HTTPContext*)src->priv_data)->auth_state, sizeof(HTTPAuthState));
- memcpy(&((HTTPContext*)dest->priv_data)->proxy_auth_state,
- &((HTTPContext*)src->priv_data)->proxy_auth_state,
+ memcpy(&((HTTPContext *)dest->priv_data)->auth_state,
+ &((HTTPContext *)src->priv_data)->auth_state,
+ sizeof(HTTPAuthState));
+ memcpy(&((HTTPContext *)dest->priv_data)->proxy_auth_state,
+ &((HTTPContext *)src->priv_data)->proxy_auth_state,
sizeof(HTTPAuthState));
}
-/* return non zero if error */
-static int http_open_cnx(URLContext *h)
+static int http_open_cnx_internal(URLContext *h, AVDictionary **options)
{
const char *path, *proxy_path, *lower_proto = "tcp", *local_path;
char hostname[1024], hoststr[1024], proto[10];
char auth[1024], proxyauth[1024] = "";
- char path1[1024];
- char buf[1024], urlbuf[1024];
- int port, use_proxy, err, location_changed = 0, redirects = 0, attempts = 0;
- HTTPAuthType cur_auth_type, cur_proxy_auth_type;
+ char path1[MAX_URL_SIZE];
+ char buf[1024], urlbuf[MAX_URL_SIZE];
+ int port, use_proxy, err, location_changed = 0;
HTTPContext *s = h->priv_data;
- URLContext *hd = NULL;
-
- proxy_path = getenv("http_proxy");
- use_proxy = (proxy_path != NULL) && !getenv("no_proxy") &&
- av_strstart(proxy_path, "http://", NULL);
- /* fill the dest addr */
- redo:
- /* needed in any case to build the host string */
av_url_split(proto, sizeof(proto), auth, sizeof(auth),
hostname, sizeof(hostname), &port,
path1, sizeof(path1), s->location);
ff_url_join(hoststr, sizeof(hoststr), NULL, NULL, hostname, port, NULL);
+ proxy_path = getenv("http_proxy");
+ use_proxy = !ff_http_match_no_proxy(getenv("no_proxy"), hostname) &&
+ proxy_path && av_strstart(proxy_path, "http://", NULL);
+
if (!strcmp(proto, "https")) {
lower_proto = "tls";
- use_proxy = 0;
+ use_proxy = 0;
if (port < 0)
port = 443;
}
}
ff_url_join(buf, sizeof(buf), lower_proto, NULL, hostname, port, NULL);
- err = ffurl_open(&hd, buf, AVIO_FLAG_READ_WRITE,
- &h->interrupt_callback, NULL);
+
+ if (!s->hd) {
+ err = ffurl_open(&s->hd, buf, AVIO_FLAG_READ_WRITE,
+ &h->interrupt_callback, options);
+ if (err < 0)
+ return err;
+ }
+
+ err = http_connect(h, path, local_path, hoststr,
+ auth, proxyauth, &location_changed);
if (err < 0)
- goto fail;
+ return err;
+
+ return location_changed;
+}
- s->hd = hd;
- cur_auth_type = s->auth_state.auth_type;
+/* return non zero if error */
+static int http_open_cnx(URLContext *h, AVDictionary **options)
+{
+ HTTPAuthType cur_auth_type, cur_proxy_auth_type;
+ HTTPContext *s = h->priv_data;
+ int location_changed, attempts = 0, redirects = 0;
+redo:
+ cur_auth_type = s->auth_state.auth_type;
cur_proxy_auth_type = s->auth_state.auth_type;
- if (http_connect(h, path, local_path, hoststr, auth, proxyauth, &location_changed) < 0)
+
+ location_changed = http_open_cnx_internal(h, options);
+ if (location_changed < 0)
goto fail;
+
attempts++;
if (s->http_code == 401) {
if ((cur_auth_type == HTTP_AUTH_NONE || s->auth_state.stale) &&
s->auth_state.auth_type != HTTP_AUTH_NONE && attempts < 4) {
- ffurl_close(hd);
+ ffurl_close(s->hd);
+ s->hd = NULL;
goto redo;
} else
goto fail;
if (s->http_code == 407) {
if ((cur_proxy_auth_type == HTTP_AUTH_NONE || s->proxy_auth_state.stale) &&
s->proxy_auth_state.auth_type != HTTP_AUTH_NONE && attempts < 4) {
- ffurl_close(hd);
+ ffurl_close(s->hd);
+ s->hd = NULL;
goto redo;
} else
goto fail;
}
- if ((s->http_code == 301 || s->http_code == 302 || s->http_code == 303 || s->http_code == 307)
- && location_changed == 1) {
+ if ((s->http_code == 301 || s->http_code == 302 ||
+ s->http_code == 303 || s->http_code == 307) &&
+ location_changed == 1) {
/* url moved, get next */
- ffurl_close(hd);
+ ffurl_close(s->hd);
+ s->hd = NULL;
if (redirects++ >= MAX_REDIRECTS)
return AVERROR(EIO);
/* Restart the authentication process with the new target, which
* might use a different auth mechanism. */
memset(&s->auth_state, 0, sizeof(s->auth_state));
- attempts = 0;
+ attempts = 0;
location_changed = 0;
goto redo;
}
return 0;
- fail:
- if (hd)
- ffurl_close(hd);
+
+fail:
+ if (s->hd)
+ ffurl_close(s->hd);
s->hd = NULL;
return AVERROR(EIO);
}
-static int http_open(URLContext *h, const char *uri, int flags)
+int ff_http_do_new_request(URLContext *h, const char *uri)
+{
+ HTTPContext *s = h->priv_data;
+ AVDictionary *options = NULL;
+ int ret;
+
+ s->off = 0;
+ s->icy_data_read = 0;
+ av_free(s->location);
+ s->location = av_strdup(uri);
+ if (!s->location)
+ return AVERROR(ENOMEM);
+
+ av_dict_copy(&options, s->chained_options, 0);
+ ret = http_open_cnx(h, &options);
+ av_dict_free(&options);
+ return ret;
+}
+
+static int http_open(URLContext *h, const char *uri, int flags,
+ AVDictionary **options)
{
HTTPContext *s = h->priv_data;
+ int ret;
h->is_streamed = 1;
s->filesize = -1;
- av_strlcpy(s->location, uri, sizeof(s->location));
+ s->location = av_strdup(uri);
+ if (!s->location)
+ return AVERROR(ENOMEM);
+ if (options)
+ av_dict_copy(&s->chained_options, *options, 0);
if (s->headers) {
int len = strlen(s->headers);
if (len < 2 || strcmp("\r\n", s->headers + len - 2))
- av_log(h, AV_LOG_WARNING, "No trailing CRLF found in HTTP header.\n");
+ av_log(h, AV_LOG_WARNING,
+ "No trailing CRLF found in HTTP header.\n");
}
- return http_open_cnx(h);
+ ret = http_open_cnx(h, options);
+ if (ret < 0)
+ av_dict_free(&s->chained_options);
+ return ret;
}
+
static int http_getc(HTTPContext *s)
{
int len;
if (s->buf_ptr >= s->buf_end) {
len = ffurl_read(s->hd, s->buffer, BUFFER_SIZE);
if (len < 0) {
- return AVERROR(EIO);
+ return len;
} else if (len == 0) {
- return -1;
+ return AVERROR_EOF;
} else {
s->buf_ptr = s->buffer;
s->buf_end = s->buffer + len;
char *q;
q = line;
- for(;;) {
+ for (;;) {
ch = http_getc(s);
if (ch < 0)
- return AVERROR(EIO);
+ return ch;
if (ch == '\n') {
/* process line */
if (q > line && q[-1] == '\r')
}
}
+static int check_http_code(URLContext *h, int http_code, const char *end)
+{
+ HTTPContext *s = h->priv_data;
+ /* error codes are 4xx and 5xx, but regard 401 as a success, so we
+ * don't abort until all headers have been parsed. */
+ if (http_code >= 400 && http_code < 600 &&
+ (http_code != 401 || s->auth_state.auth_type != HTTP_AUTH_NONE) &&
+ (http_code != 407 || s->proxy_auth_state.auth_type != HTTP_AUTH_NONE)) {
+ end += strspn(end, SPACE_CHARS);
+ av_log(h, AV_LOG_WARNING, "HTTP error %d %s\n", http_code, end);
+ return AVERROR(EIO);
+ }
+ return 0;
+}
+
+static int parse_location(HTTPContext *s, const char *p)
+{
+ char redirected_location[MAX_URL_SIZE], *new_loc;
+ ff_make_absolute_url(redirected_location, sizeof(redirected_location),
+ s->location, p);
+ new_loc = av_strdup(redirected_location);
+ if (!new_loc)
+ return AVERROR(ENOMEM);
+ av_free(s->location);
+ s->location = new_loc;
+ return 0;
+}
+
+/* "bytes $from-$to/$document_size" */
+static void parse_content_range(URLContext *h, const char *p)
+{
+ HTTPContext *s = h->priv_data;
+ const char *slash;
+
+ if (!strncmp(p, "bytes ", 6)) {
+ p += 6;
+ s->off = strtoll(p, NULL, 10);
+ if ((slash = strchr(p, '/')) && strlen(slash) > 0)
+ s->filesize = strtoll(slash + 1, NULL, 10);
+ }
+ h->is_streamed = 0; /* we _can_ in fact seek */
+}
+
+static int parse_content_encoding(URLContext *h, const char *p)
+{
+ if (!av_strncasecmp(p, "gzip", 4) ||
+ !av_strncasecmp(p, "deflate", 7)) {
+#if CONFIG_ZLIB
+ HTTPContext *s = h->priv_data;
+
+ s->compressed = 1;
+ inflateEnd(&s->inflate_stream);
+ if (inflateInit2(&s->inflate_stream, 32 + 15) != Z_OK) {
+ av_log(h, AV_LOG_WARNING, "Error during zlib initialisation: %s\n",
+ s->inflate_stream.msg);
+ return AVERROR(ENOSYS);
+ }
+ if (zlibCompileFlags() & (1 << 17)) {
+ av_log(h, AV_LOG_WARNING,
+ "Your zlib was compiled without gzip support.\n");
+ return AVERROR(ENOSYS);
+ }
+#else
+ av_log(h, AV_LOG_WARNING,
+ "Compressed (%s) content, need zlib with gzip support\n", p);
+ return AVERROR(ENOSYS);
+#endif /* CONFIG_ZLIB */
+ } else if (!av_strncasecmp(p, "identity", 8)) {
+ // The normal, no-encoding case (although servers shouldn't include
+ // the header at all if this is the case).
+ } else {
+ av_log(h, AV_LOG_WARNING, "Unknown content coding: %s\n", p);
+ return AVERROR(ENOSYS);
+ }
+ return 0;
+}
+
+// Concat all Icy- header lines
+static int parse_icy(HTTPContext *s, const char *tag, const char *p)
+{
+ int len = 4 + strlen(p) + strlen(tag);
+ int is_first = !s->icy_metadata_headers;
+ int ret;
+
+ av_dict_set(&s->metadata, tag, p, 0);
+
+ if (s->icy_metadata_headers)
+ len += strlen(s->icy_metadata_headers);
+
+ if ((ret = av_reallocp(&s->icy_metadata_headers, len)) < 0)
+ return ret;
+
+ if (is_first)
+ *s->icy_metadata_headers = '\0';
+
+ av_strlcatf(s->icy_metadata_headers, len, "%s: %s\n", tag, p);
+
+ return 0;
+}
+
static int process_line(URLContext *h, char *line, int line_count,
int *new_location)
{
HTTPContext *s = h->priv_data;
char *tag, *p, *end;
+ int ret;
/* end of header */
if (line[0] == '\0') {
p = line;
if (line_count == 0) {
- while (!isspace(*p) && *p != '\0')
+ while (!av_isspace(*p) && *p != '\0')
p++;
- while (isspace(*p))
+ while (av_isspace(*p))
p++;
s->http_code = strtol(p, &end, 10);
av_dlog(NULL, "http_code=%d\n", s->http_code);
- /* 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
- || s->auth_state.auth_type != HTTP_AUTH_NONE) &&
- (s->http_code != 407 || s->proxy_auth_state.auth_type != HTTP_AUTH_NONE)) {
- end += strspn(end, SPACE_CHARS);
- av_log(h, AV_LOG_WARNING, "HTTP error %d %s\n",
- s->http_code, end);
- return -1;
- }
+ if ((ret = check_http_code(h, s->http_code, end)) < 0)
+ return ret;
} else {
while (*p != '\0' && *p != ':')
p++;
if (*p != ':')
return 1;
- *p = '\0';
+ *p = '\0';
tag = line;
p++;
- while (isspace(*p))
+ while (av_isspace(*p))
p++;
if (!av_strcasecmp(tag, "Location")) {
- strcpy(s->location, p);
+ if ((ret = parse_location(s, p)) < 0)
+ return ret;
*new_location = 1;
- } else if (!av_strcasecmp (tag, "Content-Length") && s->filesize == -1) {
- s->filesize = atoll(p);
- } else if (!av_strcasecmp (tag, "Content-Range")) {
- /* "bytes $from-$to/$document_size" */
- const char *slash;
- if (!strncmp (p, "bytes ", 6)) {
- p += 6;
- s->off = atoll(p);
- if ((slash = strchr(p, '/')) && strlen(slash) > 0)
- s->filesize = atoll(slash+1);
- }
- h->is_streamed = 0; /* we _can_ in fact seek */
- } else if (!av_strcasecmp(tag, "Accept-Ranges") && !strncmp(p, "bytes", 5)) {
+ } else if (!av_strcasecmp(tag, "Content-Length") && s->filesize == -1) {
+ s->filesize = strtoll(p, NULL, 10);
+ } else if (!av_strcasecmp(tag, "Content-Range")) {
+ parse_content_range(h, p);
+ } else if (!av_strcasecmp(tag, "Accept-Ranges") &&
+ !strncmp(p, "bytes", 5)) {
h->is_streamed = 0;
- } else if (!av_strcasecmp (tag, "Transfer-Encoding") && !av_strncasecmp(p, "chunked", 7)) {
- s->filesize = -1;
+ } else if (!av_strcasecmp(tag, "Transfer-Encoding") &&
+ !av_strncasecmp(p, "chunked", 7)) {
+ s->filesize = -1;
s->chunksize = 0;
- } else if (!av_strcasecmp (tag, "WWW-Authenticate")) {
+ } else if (!av_strcasecmp(tag, "WWW-Authenticate")) {
ff_http_auth_handle_header(&s->auth_state, tag, p);
- } else if (!av_strcasecmp (tag, "Authentication-Info")) {
+ } else if (!av_strcasecmp(tag, "Authentication-Info")) {
ff_http_auth_handle_header(&s->auth_state, tag, p);
- } else if (!av_strcasecmp (tag, "Proxy-Authenticate")) {
+ } else if (!av_strcasecmp(tag, "Proxy-Authenticate")) {
ff_http_auth_handle_header(&s->proxy_auth_state, tag, p);
- } else if (!av_strcasecmp (tag, "Connection")) {
+ } else if (!av_strcasecmp(tag, "Connection")) {
if (!strcmp(p, "close"))
s->willclose = 1;
+ } else if (!av_strcasecmp(tag, "Content-Type")) {
+ av_free(s->mime_type);
+ s->mime_type = av_strdup(p);
+ } else if (!av_strcasecmp(tag, "Icy-MetaInt")) {
+ s->icy_metaint = strtoll(p, NULL, 10);
+ } else if (!av_strncasecmp(tag, "Icy-", 4)) {
+ if ((ret = parse_icy(s, tag, p)) < 0)
+ return ret;
+ } else if (!av_strcasecmp(tag, "Content-Encoding")) {
+ if ((ret = parse_content_encoding(h, p)) < 0)
+ return ret;
}
}
return 1;
static int http_read_header(URLContext *h, int *new_location)
{
HTTPContext *s = h->priv_data;
- char line[1024];
+ char line[MAX_URL_SIZE];
int err = 0;
+ s->chunksize = -1;
+
for (;;) {
- if (http_get_line(s, line, sizeof(line)) < 0)
- return AVERROR(EIO);
+ if ((err = http_get_line(s, line, sizeof(line))) < 0)
+ return err;
av_dlog(NULL, "header='%s'\n", line);
{
HTTPContext *s = h->priv_data;
int post, err;
- char headers[1024] = "";
+ char headers[HTTP_HEADERS_SIZE] = "";
char *authstr = NULL, *proxyauthstr = NULL;
int64_t off = s->off;
int len = 0;
const char *method;
-
+ int send_expect_100 = 0;
/* send http header */
post = h->flags & AVIO_FLAG_WRITE;
- method = post ? "POST" : "GET";
- authstr = ff_http_auth_create_response(&s->auth_state, auth, local_path,
- method);
+
+ if (s->post_data) {
+ /* force POST method and disable chunked encoding when
+ * custom HTTP post data is set */
+ post = 1;
+ s->chunked_post = 0;
+ }
+
+ if (s->method)
+ method = s->method;
+ else
+ method = post ? "POST" : "GET";
+
+ authstr = ff_http_auth_create_response(&s->auth_state, auth,
+ local_path, method);
proxyauthstr = ff_http_auth_create_response(&s->proxy_auth_state, proxyauth,
local_path, method);
+ if (post && !s->post_data) {
+ send_expect_100 = s->send_expect_100;
+ /* The user has supplied authentication but we don't know the auth type,
+ * send Expect: 100-continue to get the 401 response including the
+ * WWW-Authenticate header, or an 100 continue if no auth actually
+ * is needed. */
+ if (auth && *auth &&
+ s->auth_state.auth_type == HTTP_AUTH_NONE &&
+ s->http_code != 401)
+ send_expect_100 = 1;
+ }
/* set default headers if needed */
if (!has_header(s->headers, "\r\nUser-Agent: "))
- len += av_strlcatf(headers + len, sizeof(headers) - len,
- "User-Agent: %s\r\n", LIBAVFORMAT_IDENT);
+ len += av_strlcatf(headers + len, sizeof(headers) - len,
+ "User-Agent: %s\r\n", s->user_agent);
if (!has_header(s->headers, "\r\nAccept: "))
len += av_strlcpy(headers + len, "Accept: */*\r\n",
sizeof(headers) - len);
- if (!has_header(s->headers, "\r\nRange: ") && !post)
+ // Note: we send this on purpose even when s->off is 0 when we're probing,
+ // since it allows us to detect more reliably if a (non-conforming)
+ // server supports seeking by analysing the reply headers.
+ if (!has_header(s->headers, "\r\nRange: ") && !post) {
+ len += av_strlcatf(headers + len, sizeof(headers) - len,
+ "Range: bytes=%"PRId64"-", s->off);
+ if (s->end_off)
+ len += av_strlcatf(headers + len, sizeof(headers) - len,
+ "%"PRId64, s->end_off - 1);
+ len += av_strlcpy(headers + len, "\r\n",
+ sizeof(headers) - len);
+ }
+ if (send_expect_100 && !has_header(s->headers, "\r\nExpect: "))
len += av_strlcatf(headers + len, sizeof(headers) - len,
- "Range: bytes=%"PRId64"-\r\n", s->off);
- if (!has_header(s->headers, "\r\nConnection: "))
- len += av_strlcpy(headers + len, "Connection: close\r\n",
- sizeof(headers)-len);
+ "Expect: 100-continue\r\n");
+
+ if (!has_header(s->headers, "\r\nConnection: ")) {
+ if (s->multiple_requests)
+ len += av_strlcpy(headers + len, "Connection: keep-alive\r\n",
+ sizeof(headers) - len);
+ else
+ len += av_strlcpy(headers + len, "Connection: close\r\n",
+ sizeof(headers) - len);
+ }
+
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);
+
+ if (!has_header(s->headers, "\r\nContent-Type: ") && s->content_type)
+ len += av_strlcatf(headers + len, sizeof(headers) - len,
+ "Content-Type: %s\r\n", s->content_type);
+ if (!has_header(s->headers, "\r\nIcy-MetaData: ") && s->icy)
+ len += av_strlcatf(headers + len, sizeof(headers) - len,
+ "Icy-MetaData: %d\r\n", 1);
/* now add in custom headers */
if (s->headers)
av_freep(&authstr);
av_freep(&proxyauthstr);
- if (ffurl_write(s->hd, s->buffer, strlen(s->buffer)) < 0)
- return AVERROR(EIO);
+ if ((err = ffurl_write(s->hd, s->buffer, strlen(s->buffer))) < 0)
+ return err;
+
+ 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;
- s->line_count = 0;
- s->off = 0;
- s->filesize = -1;
- s->willclose = 0;
+ s->buf_ptr = s->buffer;
+ s->buf_end = s->buffer;
+ s->line_count = 0;
+ s->off = 0;
+ s->icy_data_read = 0;
+ s->filesize = -1;
+ s->willclose = 0;
s->end_chunked_post = 0;
- if (post) {
+ s->end_header = 0;
+ if (post && !s->post_data && !send_expect_100) {
/* 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;
}
- s->chunksize = -1;
/* wait for header */
err = http_read_header(h, new_location);
return (off == s->off) ? 0 : -1;
}
-
static int http_buf_read(URLContext *h, uint8_t *buf, int size)
{
HTTPContext *s = h->priv_data;
memcpy(buf, s->buf_ptr, len);
s->buf_ptr += len;
} else {
- if (!s->willclose && s->filesize >= 0 && s->off >= s->filesize)
+ if ((!s->willclose || s->chunksize < 0) &&
+ s->filesize >= 0 && s->off >= s->filesize)
return AVERROR_EOF;
len = ffurl_read(s->hd, buf, size);
}
return len;
}
-static int http_read(URLContext *h, uint8_t *buf, int size)
+#if CONFIG_ZLIB
+#define DECOMPRESS_BUF_SIZE (256 * 1024)
+static int http_buf_read_compressed(URLContext *h, uint8_t *buf, int size)
+{
+ HTTPContext *s = h->priv_data;
+ int ret;
+
+ if (!s->inflate_buffer) {
+ s->inflate_buffer = av_malloc(DECOMPRESS_BUF_SIZE);
+ if (!s->inflate_buffer)
+ return AVERROR(ENOMEM);
+ }
+
+ if (s->inflate_stream.avail_in == 0) {
+ int read = http_buf_read(h, s->inflate_buffer, DECOMPRESS_BUF_SIZE);
+ if (read <= 0)
+ return read;
+ s->inflate_stream.next_in = s->inflate_buffer;
+ s->inflate_stream.avail_in = read;
+ }
+
+ s->inflate_stream.avail_out = size;
+ s->inflate_stream.next_out = buf;
+
+ ret = inflate(&s->inflate_stream, Z_SYNC_FLUSH);
+ if (ret != Z_OK && ret != Z_STREAM_END)
+ av_log(h, AV_LOG_WARNING, "inflate return value: %d, %s\n",
+ ret, s->inflate_stream.msg);
+
+ return size - s->inflate_stream.avail_out;
+}
+#endif /* CONFIG_ZLIB */
+
+static int http_read_stream(URLContext *h, uint8_t *buf, int size)
{
HTTPContext *s = h->priv_data;
int err, new_location;
- if (s->end_chunked_post) {
- if (!s->end_header) {
- err = http_read_header(h, &new_location);
- if (err < 0)
- return err;
- }
+ if (!s->hd)
+ return AVERROR_EOF;
- return http_buf_read(h, buf, size);
+ if (s->end_chunked_post && !s->end_header) {
+ err = http_read_header(h, &new_location);
+ if (err < 0)
+ return err;
}
if (s->chunksize >= 0) {
if (!s->chunksize) {
char line[32];
- for(;;) {
+ for (;;) {
do {
- if (http_get_line(s, line, sizeof(line)) < 0)
- return AVERROR(EIO);
+ if ((err = http_get_line(s, line, sizeof(line))) < 0)
+ return err;
} while (!*line); /* skip CR LF from last chunk */
s->chunksize = strtoll(line, NULL, 16);
- av_dlog(NULL, "Chunked encoding data size: %"PRId64"'\n", s->chunksize);
+ av_dlog(NULL, "Chunked encoding data size: %"PRId64"'\n",
+ s->chunksize);
if (!s->chunksize)
return 0;
}
size = FFMIN(size, s->chunksize);
}
+#if CONFIG_ZLIB
+ if (s->compressed)
+ return http_buf_read_compressed(h, buf, size);
+#endif /* CONFIG_ZLIB */
return http_buf_read(h, buf, size);
}
+static int http_read_stream_all(URLContext *h, uint8_t *buf, int size)
+{
+ int pos = 0;
+ while (pos < size) {
+ int len = http_read_stream(h, buf + pos, size - pos);
+ if (len < 0)
+ return len;
+ pos += len;
+ }
+ return pos;
+}
+
+static void update_metadata(HTTPContext *s, char *data)
+{
+ char *key;
+ char *val;
+ char *end;
+ char *next = data;
+
+ while (*next) {
+ key = next;
+ val = strstr(key, "='");
+ if (!val)
+ break;
+ end = strstr(val, "';");
+ if (!end)
+ break;
+
+ *val = '\0';
+ *end = '\0';
+ val += 2;
+
+ av_dict_set(&s->metadata, key, val, 0);
+
+ next = end + 2;
+ }
+}
+
+static int store_icy(URLContext *h, int size)
+{
+ HTTPContext *s = h->priv_data;
+ /* until next metadata packet */
+ int remaining = s->icy_metaint - s->icy_data_read;
+
+ if (remaining < 0)
+ return AVERROR_INVALIDDATA;
+
+ if (!remaining) {
+ /* The metadata packet is variable sized. It has a 1 byte header
+ * which sets the length of the packet (divided by 16). If it's 0,
+ * the metadata doesn't change. After the packet, icy_metaint bytes
+ * of normal data follows. */
+ uint8_t ch;
+ int len = http_read_stream_all(h, &ch, 1);
+ if (len < 0)
+ return len;
+ if (ch > 0) {
+ char data[255 * 16 + 1];
+ int ret;
+ len = ch * 16;
+ ret = http_read_stream_all(h, data, len);
+ if (ret < 0)
+ return ret;
+ data[len + 1] = 0;
+ if ((ret = av_opt_set(s, "icy_metadata_packet", data, 0)) < 0)
+ return ret;
+ update_metadata(s, data);
+ }
+ s->icy_data_read = 0;
+ remaining = s->icy_metaint;
+ }
+
+ return FFMIN(size, remaining);
+}
+
+static int http_read(URLContext *h, uint8_t *buf, int size)
+{
+ HTTPContext *s = h->priv_data;
+
+ if (s->icy_metaint > 0) {
+ size = store_icy(h, size);
+ if (size < 0)
+ return size;
+ }
+
+ size = http_read_stream(h, buf, size);
+ if (size > 0)
+ s->icy_data_read += size;
+ return size;
+}
+
/* used only when posting data */
static int http_write(URLContext *h, const uint8_t *buf, int size)
{
snprintf(temp, sizeof(temp), "%x\r\n", size);
if ((ret = ffurl_write(s->hd, temp, strlen(temp))) < 0 ||
- (ret = ffurl_write(s->hd, buf, size)) < 0 ||
+ (ret = ffurl_write(s->hd, buf, size)) < 0 ||
(ret = ffurl_write(s->hd, crlf, sizeof(crlf) - 1)) < 0)
return ret;
}
int ret = 0;
HTTPContext *s = h->priv_data;
- if (!s->end_chunked_post) {
+#if CONFIG_ZLIB
+ inflateEnd(&s->inflate_stream);
+ av_freep(&s->inflate_buffer);
+#endif /* CONFIG_ZLIB */
+
+ if (!s->end_chunked_post)
/* Close the write direction by sending the end of chunked encoding. */
ret = http_shutdown(h, h->flags);
- }
if (s->hd)
ffurl_close(s->hd);
+ av_dict_free(&s->chained_options);
return ret;
}
URLContext *old_hd = s->hd;
int64_t old_off = s->off;
uint8_t old_buf[BUFFER_SIZE];
- int old_buf_size;
+ int old_buf_size, ret;
+ AVDictionary *options = NULL;
if (whence == AVSEEK_SIZE)
return s->filesize;
+ else if ((whence == SEEK_CUR && off == 0) ||
+ (whence == SEEK_SET && off == s->off))
+ return s->off;
else if ((s->filesize == -1 && whence == SEEK_END) || h->is_streamed)
- return -1;
+ return AVERROR(ENOSYS);
/* we save the old context in case the seek fails */
old_buf_size = s->buf_end - s->buf_ptr;
s->off = off;
/* if it fails, continue on old connection */
- if (http_open_cnx(h) < 0) {
+ av_dict_copy(&options, s->chained_options, 0);
+ if ((ret = http_open_cnx(h, &options)) < 0) {
+ av_dict_free(&options);
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;
+ s->hd = old_hd;
+ s->off = old_off;
+ return ret;
}
+ av_dict_free(&options);
ffurl_close(old_hd);
return off;
}
-static int
-http_get_file_handle(URLContext *h)
+static int http_get_file_handle(URLContext *h)
{
HTTPContext *s = h->priv_data;
return ffurl_get_file_handle(s->hd);
}
+#define HTTP_CLASS(flavor) \
+static const AVClass flavor ## _context_class = { \
+ .class_name = # flavor, \
+ .item_name = av_default_item_name, \
+ .option = options, \
+ .version = LIBAVUTIL_VERSION_INT, \
+}
+
#if CONFIG_HTTP_PROTOCOL
+HTTP_CLASS(http);
+
URLProtocol ff_http_protocol = {
.name = "http",
- .url_open = http_open,
+ .url_open2 = http_open,
.url_read = http_read,
.url_write = http_write,
.url_seek = http_seek,
.priv_data_class = &http_context_class,
.flags = URL_PROTOCOL_FLAG_NETWORK,
};
-#endif
+#endif /* CONFIG_HTTP_PROTOCOL */
+
#if CONFIG_HTTPS_PROTOCOL
+HTTP_CLASS(https);
+
URLProtocol ff_https_protocol = {
.name = "https",
- .url_open = http_open,
+ .url_open2 = http_open,
.url_read = http_read,
.url_write = http_write,
.url_seek = http_seek,
.url_close = http_close,
.url_get_file_handle = http_get_file_handle,
+ .url_shutdown = http_shutdown,
.priv_data_size = sizeof(HTTPContext),
.priv_data_class = &https_context_class,
.flags = URL_PROTOCOL_FLAG_NETWORK,
};
-#endif
+#endif /* CONFIG_HTTPS_PROTOCOL */
#if CONFIG_HTTPPROXY_PROTOCOL
static int http_proxy_close(URLContext *h)
if ((ret = ffurl_write(s->hd, s->buffer, strlen(s->buffer))) < 0)
goto fail;
- s->buf_ptr = s->buffer;
- s->buf_end = s->buffer;
+ s->buf_ptr = s->buffer;
+ s->buf_end = s->buffer;
s->line_count = 0;
- s->filesize = -1;
+ s->filesize = -1;
cur_auth_type = s->proxy_auth_state.auth_type;
/* Note: This uses buffering, potentially reading more than the
.priv_data_size = sizeof(HTTPContext),
.flags = URL_PROTOCOL_FLAG_NETWORK,
};
-#endif
+#endif /* CONFIG_HTTPPROXY_PROTOCOL */
projects / ffmpeg / blobdiff