1 files changed, 224 insertions, 0 deletions
diff --git a/data/lighttpd/lighttpd-1.4.53/src/mod_flv_streaming.c b/data/lighttpd/lighttpd-1.4.53/src/mod_flv_streaming.c
new file mode 100644
index 000000000..cb6186f63
--- /dev/null
+++ b/data/lighttpd/lighttpd-1.4.53/src/mod_flv_streaming.c
@@ -0,0 +1,224 @@
+#include "first.h"
+
+#include "base.h"
+#include "log.h"
+#include "buffer.h"
+#include "http_chunk.h"
+#include "http_header.h"
+
+#include "plugin.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+/* plugin config for all request/connections */
+
+typedef struct {
+	array *extensions;
+} plugin_config;
+
+typedef struct {
+	PLUGIN_DATA;
+	plugin_config **config_storage;
+	plugin_config conf;
+} plugin_data;
+
+/* init the plugin data */
+INIT_FUNC(mod_flv_streaming_init) {
+	return calloc(1, sizeof(plugin_data));
+}
+
+/* detroy the plugin data */
+FREE_FUNC(mod_flv_streaming_free) {
+	plugin_data *p = p_d;
+	if (!p) return HANDLER_GO_ON;
+
+	if (p->config_storage) {
+		for (size_t i = 0; i < srv->config_context->used; ++i) {
+			plugin_config *s = p->config_storage[i];
+			if (NULL == s) continue;
+			array_free(s->extensions);
+			free(s);
+		}
+		free(p->config_storage);
+	}
+	free(p);
+	UNUSED(srv);
+	return HANDLER_GO_ON;
+}
+
+/* handle plugin config and check values */
+
+SETDEFAULTS_FUNC(mod_flv_streaming_set_defaults) {
+	plugin_data *p = p_d;
+	size_t i = 0;
+
+	config_values_t cv[] = {
+		{ "flv-streaming.extensions",   NULL, T_CONFIG_ARRAY, T_CONFIG_SCOPE_CONNECTION },       /* 0 */
+		{ NULL,                         NULL, T_CONFIG_UNSET, T_CONFIG_SCOPE_UNSET }
+	};
+
+	if (!p) return HANDLER_ERROR;
+
+	p->config_storage = calloc(1, srv->config_context->used * sizeof(plugin_config *));
+
+	for (i = 0; i < srv->config_context->used; i++) {
+		data_config const* config = (data_config const*)srv->config_context->data[i];
+		plugin_config *s;
+
+		s = calloc(1, sizeof(plugin_config));
+		s->extensions     = array_init();
+
+		cv[0].destination = s->extensions;
+
+		p->config_storage[i] = s;
+
+		if (0 != config_insert_values_global(srv, config->value, cv, i == 0 ? T_CONFIG_SCOPE_SERVER : T_CONFIG_SCOPE_CONNECTION)) {
+			return HANDLER_ERROR;
+		}
+
+		if (!array_is_vlist(s->extensions)) {
+			log_error_write(srv, __FILE__, __LINE__, "s",
+					"unexpected value for flv-streaming.extensions; expected list of \"ext\"");
+			return HANDLER_ERROR;
+		}
+	}
+
+	return HANDLER_GO_ON;
+}
+
+#define PATCH(x) \
+	p->conf.x = s->x;
+static int mod_flv_streaming_patch_connection(server *srv, connection *con, plugin_data *p) {
+	size_t i, j;
+	plugin_config *s = p->config_storage[0];
+
+	PATCH(extensions);
+
+	/* skip the first, the global context */
+	for (i = 1; i < srv->config_context->used; i++) {
+		data_config *dc = (data_config *)srv->config_context->data[i];
+		s = p->config_storage[i];
+
+		/* condition didn't match */
+		if (!config_check_cond(srv, con, dc)) continue;
+
+		/* merge config */
+		for (j = 0; j < dc->value->used; j++) {
+			data_unset *du = dc->value->data[j];
+
+			if (buffer_is_equal_string(du->key, CONST_STR_LEN("flv-streaming.extensions"))) {
+				PATCH(extensions);
+			}
+		}
+	}
+
+	return 0;
+}
+#undef PATCH
+
+static int split_get_params(array *get_params, buffer *qrystr) {
+	size_t is_key = 1, klen = 0;
+	char *key = qrystr->ptr, *val = NULL;
+
+	if (buffer_string_is_empty(qrystr)) return 0;
+	for (size_t i = 0, len = buffer_string_length(qrystr); i <= len; ++i) {
+		switch(qrystr->ptr[i]) {
+		case '=':
+			if (is_key) {
+				val = qrystr->ptr + i + 1;
+				klen = (size_t)(qrystr->ptr + i - key);
+				is_key = 0;
+			}
+
+			break;
+		case '&':
+		case '\0': /* fin symbol */
+			if (!is_key) {
+				/* we need at least a = since the last & */
+				array_insert_key_value(get_params, key, klen, val, qrystr->ptr + i - val);
+			}
+
+			key = qrystr->ptr + i + 1;
+			val = NULL;
+			is_key = 1;
+			break;
+		}
+	}
+
+	return 0;
+}
+
+URIHANDLER_FUNC(mod_flv_streaming_path_handler) {
+	plugin_data *p = p_d;
+
+	if (con->mode != DIRECT) return HANDLER_GO_ON;
+	if (buffer_string_is_empty(con->physical.path)) return HANDLER_GO_ON;
+
+	mod_flv_streaming_patch_connection(srv, con, p);
+
+	if (!array_match_value_suffix(p->conf.extensions, con->physical.path)) {
+		/* not found */
+		return HANDLER_GO_ON;
+	}
+
+	{
+			data_string *get_param;
+			off_t start = 0, len = -1;
+			char *err = NULL;
+			/* if there is a start=[0-9]+ in the header use it as start,
+			 * otherwise set start to beginning of file */
+			/* if there is a end=[0-9]+ in the header use it as end pos,
+			 * otherwise send rest of file, starting from start */
+
+			array_reset_data_strings(srv->split_vals);
+			split_get_params(srv->split_vals, con->uri.query);
+
+			if (NULL != (get_param = (data_string *)array_get_element_klen(srv->split_vals, CONST_STR_LEN("start")))) {
+				if (buffer_string_is_empty(get_param->value)) return HANDLER_GO_ON;
+				start = strtoll(get_param->value->ptr, &err, 10);
+				if (*err != '\0') return HANDLER_GO_ON;
+				if (start < 0) return HANDLER_GO_ON;
+			}
+
+			if (NULL != (get_param = (data_string *)array_get_element_klen(srv->split_vals, CONST_STR_LEN("end")))) {
+				off_t end;
+				if (buffer_string_is_empty(get_param->value)) return HANDLER_GO_ON;
+				end = strtoll(get_param->value->ptr, &err, 10);
+				if (*err != '\0') return HANDLER_GO_ON;
+				if (end < 0) return HANDLER_GO_ON;
+				len = (start < end ? end - start : start - end) + 1;
+			}
+			else if (0 == start) {
+				return HANDLER_GO_ON;
+			}
+
+			/* let's build a flv header */
+			http_chunk_append_mem(srv, con, CONST_STR_LEN("FLV\x1\x1\0\0\0\x9\0\0\0\x9"));
+			if (0 != http_chunk_append_file_range(srv, con, con->physical.path, start, len)) {
+				chunkqueue_reset(con->write_queue);
+				return HANDLER_GO_ON;
+			}
+
+			http_header_response_set(con, HTTP_HEADER_CONTENT_TYPE, CONST_STR_LEN("Content-Type"), CONST_STR_LEN("video/x-flv"));
+			con->file_finished = 1;
+			return HANDLER_FINISHED;
+	}
+}
+
+/* this function is called at dlopen() time and inits the callbacks */
+
+int mod_flv_streaming_plugin_init(plugin *p);
+int mod_flv_streaming_plugin_init(plugin *p) {
+	p->version     = LIGHTTPD_VERSION_ID;
+	p->name        = buffer_init_string("flv_streaming");
+
+	p->init        = mod_flv_streaming_init;
+	p->handle_physical = mod_flv_streaming_path_handler;
+	p->set_defaults  = mod_flv_streaming_set_defaults;
+	p->cleanup     = mod_flv_streaming_free;
+
+	p->data        = NULL;
+
+	return 0;
+}