void ei_encode_switch_event_headers(ei_x_buff * ebuf, switch_event_t *event)
{
int i;
char *uuid = switch_event_get_header(event, "unique-id");
switch_event_header_t *hp;
for (i = 0, hp = event->headers; hp; hp = hp->next, i++);
if (event->body)
i++;
ei_x_encode_list_header(ebuf, i + 1);
if (uuid) {
_ei_x_encode_string(ebuf, switch_event_get_header(event, "unique-id"));
} else {
ei_x_encode_atom(ebuf, "undefined");
}
for (hp = event->headers; hp; hp = hp->next) {
ei_x_encode_tuple_header(ebuf, 2);
_ei_x_encode_string(ebuf, hp->name);
switch_url_decode(hp->value);
_ei_x_encode_string(ebuf, hp->value);
}
if (event->body) {
ei_x_encode_tuple_header(ebuf, 2);
_ei_x_encode_string(ebuf, "body");
_ei_x_encode_string(ebuf, event->body);
}
ei_x_encode_empty_list(ebuf);
}
void xpass_encode_switch_event_headers(char *ebuf, int buf_len, switch_event_t *event) {
switch_event_header_t *hp;
char *uuid = switch_event_get_header(event, "unique-id");
int i;
int left_buf_len = buf_len;
char * tmp = ebuf;
for (i = 0, hp = event->headers; hp; hp = hp->next, i++);
if (event->body)
i++;
if (uuid) {
char *unique_id = switch_event_get_header(event, "unique-id");
tmp = encode_data(tmp, unique_id, strlen(unique_id));
} else {
tmp = encode_data(tmp, "undefined", 9);
}
tmp = encode_data(tmp, "\r\n", 2);
for (hp = event->headers; hp; hp = hp->next) {
tmp = encode_data(tmp, hp->name, strlen(hp->name));
tmp = encode_data(tmp, ":", 1);
switch_url_decode(hp->value);
tmp = encode_data(tmp, hp->value, strlen(hp->value));
tmp = encode_data(tmp, "\r\n", 2);
}
tmp = encode_data(tmp, "\r\n", 2);
if (event->body) {
tmp = encode_data(tmp, event->body, strlen(event->body));
}
}
// This function and do_lookup_url functions could possibly be merged together. Or at least have do_lookup_url call this up as part of the initialization routine as it is a subset of the operations.
static void http_sendfile_initialize_curl(http_sendfile_data_t *http_data)
{
uint8_t count;
http_data->curl_handle = curl_easy_init();
if (!strncasecmp(http_data->url, "https", 5))
{
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Not verifying TLS cert for %s; connection is not secure\n", http_data->url);
curl_easy_setopt(http_data->curl_handle, CURLOPT_SSL_VERIFYPEER, 0);
curl_easy_setopt(http_data->curl_handle, CURLOPT_SSL_VERIFYHOST, 0);
}
/* From the docs:
* Optionally, you can provide data to POST using the CURLOPT_READFUNCTION and CURLOPT_READDATA
* options but then you must make sure to not set CURLOPT_POSTFIELDS to anything but NULL
* curl_easy_setopt(curl_handle, CURLOPT_POSTFIELDSIZE, strlen(data));
* curl_easy_setopt(curl_handle, CURLOPT_POSTFIELDS, (void *) data);
*/
// switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Post data: %s\n", data);
curl_easy_setopt(http_data->curl_handle, CURLOPT_FOLLOWLOCATION, 1);
curl_easy_setopt(http_data->curl_handle, CURLOPT_MAXREDIRS, 15);
curl_easy_setopt(http_data->curl_handle, CURLOPT_URL, http_data->url);
curl_easy_setopt(http_data->curl_handle, CURLOPT_NOSIGNAL, 1);
curl_easy_setopt(http_data->curl_handle, CURLOPT_USERAGENT, "freeswitch-curl/1.0");
http_data->sendfile_response = switch_core_alloc(http_data->pool, sizeof(char) * HTTP_SENDFILE_RESPONSE_SIZE);
memset(http_data->sendfile_response, 0, sizeof(char) * HTTP_SENDFILE_RESPONSE_SIZE);
// Set the function where we will copy out the response body data to
curl_easy_setopt(http_data->curl_handle, CURLOPT_WRITEFUNCTION, http_sendfile_response_callback);
curl_easy_setopt(http_data->curl_handle, CURLOPT_WRITEDATA, (void *) http_data);
/* Add the file to upload as a POST form field */
curl_formadd(&http_data->formpost, &http_data->lastptr, CURLFORM_COPYNAME, http_data->filename_element_name, CURLFORM_FILE, http_data->filename_element, CURLFORM_END);
if(!zstr(http_data->extrapost_elements))
{
// Now to parse out the individual post element/value pairs
char *argv[64] = { 0 }; // Probably don't need 64 but eh does it really use that much memory?
uint32_t argc = 0;
char *temp_extrapost = switch_core_strdup(http_data->pool, http_data->extrapost_elements);
argc = switch_separate_string(temp_extrapost, '&', argv, (sizeof(argv) / sizeof(argv[0])));
for(count = 0; count < argc; count++)
{
char *argv2[4] = { 0 };
uint32_t argc2 = switch_separate_string(argv[count], '=', argv2, (sizeof(argv2) / sizeof(argv2[0])));
if(argc2 == 2) {
switch_url_decode(argv2[0]);
switch_url_decode(argv2[1]);
curl_formadd(&http_data->formpost, &http_data->lastptr, CURLFORM_COPYNAME, argv2[0], CURLFORM_COPYCONTENTS, argv2[1], CURLFORM_END);
}
}
}
/* Fill in the submit field too, even if this isn't really needed */
curl_formadd(&http_data->formpost, &http_data->lastptr, CURLFORM_COPYNAME, "submit", CURLFORM_COPYCONTENTS, "or_die", CURLFORM_END);
/* what URL that receives this POST */
curl_easy_setopt(http_data->curl_handle, CURLOPT_HTTPPOST, http_data->formpost);
// This part actually fires off the curl, captures the HTTP response code, and then frees up the handle.
curl_easy_perform(http_data->curl_handle);
curl_easy_getinfo(http_data->curl_handle, CURLINFO_RESPONSE_CODE, &http_data->http_response_code);
curl_easy_cleanup(http_data->curl_handle);
// Clean up the form data from POST
curl_formfree(http_data->formpost);
}
abyss_bool handler_hook(TSession * r)
{
switch_stream_handle_t stream = { 0 };
char *command;
int i;
char *fs_user = NULL, *fs_domain = NULL;
char *path_info = NULL;
abyss_bool ret = TRUE;
int html = 0, text = 0, xml = 0, api = 0;
const char *api_str;
const char *uri = 0;
TRequestInfo *info = 0;
switch_event_t *evnt = 0; /* shortcut to stream.param_event */
if (!r || !(info = &r->requestInfo) || !(uri = info->uri)) {
return FALSE;
}
stream.data = r;
stream.write_function = http_stream_write;
stream.raw_write_function = http_stream_raw_write;
if ((command = strstr(uri, "/api/"))) {
command += 5;
api++;
} else if ((command = strstr(uri, "/webapi/"))) {
command += 8;
html++;
} else if ((command = strstr(uri, "/txtapi/"))) {
command += 8;
text++;
} else if ((command = strstr(uri, "/xmlapi/"))) {
command += 8;
xml++;
} else {
return FALSE; /* 404 */
}
if ((path_info = strchr(command, '/'))) {
*path_info++ = '\0';
}
for (i = 0; i < r->responseHeaderFields.size; i++) {
TTableItem *ti = &r->responseHeaderFields.item[i];
if (!strcasecmp(ti->name, "freeswitch-user")) {
fs_user = ti->value;
} else if (!strcasecmp(ti->name, "freeswitch-domain")) {
fs_domain = ti->value;
}
}
if (!is_authorized(r, command)) {
ret = TRUE;
goto end;
}
/* auth: */
if (switch_event_create(&stream.param_event, SWITCH_EVENT_API) == SWITCH_STATUS_SUCCESS) {
const char *const content_length = RequestHeaderValue(r, "content-length");
evnt = stream.param_event;
if (html) {
switch_event_add_header_string(evnt, SWITCH_STACK_BOTTOM, "Content-Type", "text/html");
} else if (text) {
switch_event_add_header_string(evnt, SWITCH_STACK_BOTTOM, "Content-Type", "text/plain");
} else if (xml) {
switch_event_add_header_string(evnt, SWITCH_STACK_BOTTOM, "Content-Type", "text/xml");
}
if (api) {
switch_event_add_header_string(evnt, SWITCH_STACK_BOTTOM, "HTTP-API", "api");
}
if (fs_user) switch_event_add_header_string(evnt, SWITCH_STACK_BOTTOM, "FreeSWITCH-User", fs_user);
if (fs_domain) switch_event_add_header_string(evnt, SWITCH_STACK_BOTTOM, "FreeSWITCH-Domain", fs_domain);
if (path_info) switch_event_add_header_string(evnt, SWITCH_STACK_BOTTOM, "HTTP-Path-Info", path_info);
if (info->host) switch_event_add_header_string(evnt, SWITCH_STACK_BOTTOM, "HTTP-HOST", info->host);
if (info->from) switch_event_add_header_string(evnt, SWITCH_STACK_BOTTOM, "HTTP-FROM", info->from);
if (info->useragent) switch_event_add_header_string(evnt, SWITCH_STACK_BOTTOM, "HTTP-USER-AGENT", info->useragent);
if (info->referer) switch_event_add_header_string(evnt, SWITCH_STACK_BOTTOM, "HTTP-REFERER", info->referer);
if (info->requestline) switch_event_add_header_string(evnt, SWITCH_STACK_BOTTOM, "HTTP-REQUESTLINE", info->requestline);
if (info->user) switch_event_add_header_string(evnt, SWITCH_STACK_BOTTOM, "HTTP-USER", info->user);
if (info->port) switch_event_add_header(evnt, SWITCH_STACK_BOTTOM, "HTTP-PORT", "%u", info->port);
{
char *q, *qd;
char *next;
char *query = (char *) info->query;
char *name, *val;
char qbuf[8192] = "";
/* first finish reading from the socket if post method was used*/
if (info->method == m_post && content_length) {
int len = atoi(content_length);
int qlen = 0;
if (len > 0) {
int succeeded = TRUE;
char *qp = qbuf;
char *readError;
do {
int blen = r->connP->buffersize - r->connP->bufferpos;
if ((qlen + blen) > len) {
blen = len - qlen;
}
qlen += blen;
if (qlen > sizeof(qbuf)) {
break;
}
memcpy(qp, r->connP->buffer.b + r->connP->bufferpos, blen);
qp += blen;
if (qlen >= len) {
break;
}
ConnRead(r->connP, 2000, NULL, NULL, &readError);
if (readError) {
succeeded = FALSE;
free(readError);
}
} while (succeeded);
query = qbuf;
}
}
/* parse query and add kv-pairs as event headers */
/* a kv pair starts with '&', '+' or \0 mark the end */
if (query) {
switch_event_add_header_string(evnt, SWITCH_STACK_BOTTOM, "HTTP-QUERY", query);
qd = strdup(query);
} else {
qd = strdup(uri);
}
switch_assert(qd != NULL);
q = qd;
next = q;
do {
char *p;
if (next = strchr(next, '&')) {
if (!query) {
/* pass kv pairs from uri to query */
/* "?" is absent in url so parse uri */
*((char *)uri + (next - q - 1)) = '\0';
query = next;
switch_event_add_header_string(evnt, SWITCH_STACK_BOTTOM, "HTTP-QUERY", next);
/* and strip uri */
/* the start of first kv pair marks the end of uri */
/* to prevent kv-pairs confusing fs api commands */
/* that have arguments separated by space */
}
*next++ = '\0';
}
for (p = q; p && *p; p++) {
if (*p == '+') {
*p = ' ';
}
}
/* hmmm, get method requests are already decoded ... */
switch_url_decode(q);
name = q;
if ((val = strchr(name, '='))) {
*val++ = '\0';
switch_event_add_header_string(evnt, SWITCH_STACK_BOTTOM, name, val);
}
q = next;
} while (q != NULL);
free(qd);
}
}
switch_event_add_header_string(evnt, SWITCH_STACK_BOTTOM, "HTTP-URI", uri);
/* We made it this far, always OK */
if (!HTTPWrite(r, "HTTP/1.1 200 OK\r\n", (uint32_t) strlen("HTTP/1.1 200 OK\r\n"))) {
return TRUE;
}
ResponseAddField(r, "Connection", "close");
/* generation of the date field */
if (evnt)
{
ResponseAddField(r, "Date", switch_event_get_header(evnt, "Event-Date-GMT"));
}
else {
const char *dateValue;
DateToString(r->date, &dateValue);
if (dateValue) {
ResponseAddField(r, "Date", dateValue);
free((void *)dateValue);
}
}
/* Generation of the server field */
ResponseAddField(r, "Server", "FreeSWITCH-" SWITCH_VERSION_FULL "-mod_xml_rpc");
if (html) {
ResponseAddField(r, "Content-Type", "text/html");
} else if (text) {
ResponseAddField(r, "Content-Type", "text/plain");
} else if (xml) {
ResponseAddField(r, "Content-Type", "text/xml");
}
for (i = 0; i < r->responseHeaderFields.size; i++) {
TTableItem *ti = &r->responseHeaderFields.item[i];
char *header = switch_mprintf("%s: %s\r\n", ti->name, ti->value);
if (!ConnWrite(r->connP, header, (uint32_t) strlen(header))) {
switch_safe_free(header);
return TRUE;
}
switch_safe_free(header);
}
/* send end http header */
if (html||text||xml) {
if (!ConnWrite(r->connP, CRLF, 2)) {
return TRUE;
}
}
else {
/* content-type and end of http header will be streamed by fs api or http_stream_write */
}
if (switch_stristr("unload", command) && switch_stristr("mod_xml_rpc", info->query)) {
command = "bgapi";
api_str = "unload mod_xml_rpc";
} else if (switch_stristr("reload", command) && switch_stristr("mod_xml_rpc", info->query)) {
command = "bgapi";
api_str = "reload mod_xml_rpc";
} else {
api_str = info->query;
}
/* TODO (maybe): take "refresh=xxx" out of query as to not confuse fs api commands */
/* execute actual fs api command */
/* fs api command will write to stream, calling http_stream_write / http_stream_raw_write */
/* switch_api_execute will stream INVALID COMMAND before it fails */
switch_api_execute(command, api_str, NULL, &stream);
r->responseStarted = TRUE;
ResponseStatus(r, 200); /* we don't want an assertion failure */
r->requestInfo.keepalive = 0;
end:
return ret;
}
abyss_bool handler_hook(TSession * r)
{
//char *mime = "text/html";
char buf[80] = "HTTP/1.1 200 OK\n";
switch_stream_handle_t stream = { 0 };
char *command;
int i;
TTableItem *ti;
char *fs_user = NULL, *fs_domain = NULL;
char *path_info = NULL;
abyss_bool ret = TRUE;
int html = 0, text = 0, xml = 0;
const char *api_str;
stream.data = r;
stream.write_function = http_stream_write;
stream.raw_write_function = http_stream_raw_write;
if (!r || !r->requestInfo.uri) {
return FALSE;
}
if ((command = strstr(r->requestInfo.uri, "/api/"))) {
command += 5;
} else if ((command = strstr(r->requestInfo.uri, "/webapi/"))) {
command += 8;
html++;
} else if ((command = strstr(r->requestInfo.uri, "/txtapi/"))) {
command += 8;
text++;
} else if ((command = strstr(r->requestInfo.uri, "/xmlapi/"))) {
command += 8;
xml++;
} else {
return FALSE;
}
if ((path_info = strchr(command, '/'))) {
*path_info++ = '\0';
}
for (i = 0; i < r->response_headers.size; i++) {
ti = &r->response_headers.item[i];
if (!strcasecmp(ti->name, "freeswitch-user")) {
fs_user = ti->value;
} else if (!strcasecmp(ti->name, "freeswitch-domain")) {
fs_domain = ti->value;
}
}
if (is_authorized(r, command)) {
goto auth;
}
ret = TRUE;
goto end;
auth:
if (switch_event_create(&stream.param_event, SWITCH_EVENT_API) == SWITCH_STATUS_SUCCESS) {
const char *const content_length = RequestHeaderValue(r, "content-length");
if (html)
switch_event_add_header_string(stream.param_event, SWITCH_STACK_BOTTOM, "Content-type", "text/html");
else if (text)
switch_event_add_header_string(stream.param_event, SWITCH_STACK_BOTTOM, "Content-type", "text/plain");
else if (xml)
switch_event_add_header_string(stream.param_event, SWITCH_STACK_BOTTOM, "Content-type", "text/xml");
if (fs_user)
switch_event_add_header_string(stream.param_event, SWITCH_STACK_BOTTOM, "FreeSWITCH-User", fs_user);
if (fs_domain)
switch_event_add_header_string(stream.param_event, SWITCH_STACK_BOTTOM, "FreeSWITCH-Domain", fs_domain);
if (path_info)
switch_event_add_header_string(stream.param_event, SWITCH_STACK_BOTTOM, "HTTP-Path-Info", path_info);
switch_event_add_header_string(stream.param_event, SWITCH_STACK_BOTTOM, "HTTP-URI", r->requestInfo.uri);
if (r->requestInfo.query)
switch_event_add_header_string(stream.param_event, SWITCH_STACK_BOTTOM, "HTTP-QUERY", r->requestInfo.query);
if (r->requestInfo.host)
switch_event_add_header_string(stream.param_event, SWITCH_STACK_BOTTOM, "HTTP-HOST", r->requestInfo.host);
if (r->requestInfo.from)
switch_event_add_header_string(stream.param_event, SWITCH_STACK_BOTTOM, "HTTP-FROM", r->requestInfo.from);
if (r->requestInfo.useragent)
switch_event_add_header_string(stream.param_event, SWITCH_STACK_BOTTOM, "HTTP-USER-AGENT", r->requestInfo.useragent);
if (r->requestInfo.referer)
switch_event_add_header_string(stream.param_event, SWITCH_STACK_BOTTOM, "HTTP-REFERER", r->requestInfo.referer);
if (r->requestInfo.requestline)
switch_event_add_header_string(stream.param_event, SWITCH_STACK_BOTTOM, "HTTP-REQUESTLINE", r->requestInfo.requestline);
if (r->requestInfo.user)
switch_event_add_header_string(stream.param_event, SWITCH_STACK_BOTTOM, "HTTP-USER", r->requestInfo.user);
if (r->requestInfo.port)
switch_event_add_header(stream.param_event, SWITCH_STACK_BOTTOM, "HTTP-PORT", "%u", r->requestInfo.port);
if (r->requestInfo.query || content_length) {
char *q, *qd;
char *next;
char *query = (char *) r->requestInfo.query;
char *name, *val;
char qbuf[8192] = "";
if (r->requestInfo.method == m_post && content_length) {
int len = atoi(content_length);
int qlen = 0;
if (len > 0) {
int succeeded;
char *qp = qbuf;
do {
int blen = r->conn->buffersize - r->conn->bufferpos;
if ((qlen + blen) > len) {
blen = len - qlen;
}
qlen += blen;
if (qlen > sizeof(qbuf)) {
break;
}
memcpy(qp, r->conn->buffer + r->conn->bufferpos, blen);
qp += blen;
if (qlen >= len) {
break;
}
} while ((succeeded = ConnRead(r->conn, 2000)));
query = qbuf;
}
}
if (query) {
switch_event_add_header_string(stream.param_event, SWITCH_STACK_BOTTOM, "HTTP-QUERY", query);
qd = strdup(query);
switch_assert(qd != NULL);
q = qd;
next = q;
do {
char *p;
if ((next = strchr(next, '&'))) {
*next++ = '\0';
}
for (p = q; p && *p; p++) {
if (*p == '+') {
*p = ' ';
}
}
switch_url_decode(q);
name = q;
if ((val = strchr(name, '='))) {
*val++ = '\0';
switch_event_add_header_string(stream.param_event, SWITCH_STACK_BOTTOM, name, val);
}
q = next;
} while (q != NULL);
free(qd);
}
}
}
//ResponseChunked(r);
//ResponseContentType(r, mime);
//ResponseWrite(r);
HTTPWrite(r, buf, (uint32_t) strlen(buf));
//HTTPWrite(r, "<pre>\n\n", 7);
/* generation of the date field */
{
const char *dateValue;
DateToString(r->date, &dateValue);
if (dateValue) {
ResponseAddField(r, "Date", dateValue);
}
}
/* Generation of the server field */
ResponseAddField(r, "Server", "FreeSWITCH-" SWITCH_VERSION_FULL "-mod_xml_rpc");
if (html) {
ResponseAddField(r, "Content-Type", "text/html");
} else if (text) {
ResponseAddField(r, "Content-Type", "text/plain");
} else if (xml) {
ResponseAddField(r, "Content-Type", "text/xml");
}
for (i = 0; i < r->response_headers.size; i++) {
ti = &r->response_headers.item[i];
ConnWrite(r->conn, ti->name, (uint32_t) strlen(ti->name));
ConnWrite(r->conn, ": ", 2);
ConnWrite(r->conn, ti->value, (uint32_t) strlen(ti->value));
ConnWrite(r->conn, CRLF, 2);
}
switch_snprintf(buf, sizeof(buf), "Connection: close\r\n");
ConnWrite(r->conn, buf, (uint32_t) strlen(buf));
if (html || text || xml) {
ConnWrite(r->conn, "\r\n", 2);
}
if (switch_stristr("unload", command) && switch_stristr("mod_xml_rpc", r->requestInfo.query)) {
command = "bgapi";
api_str = "unload mod_xml_rpc";
} else if (switch_stristr("reload", command) && switch_stristr("mod_xml_rpc", r->requestInfo.query)) {
command = "bgapi";
api_str = "reload mod_xml_rpc";
} else {
api_str = r->requestInfo.query;
}
if (switch_api_execute(command, api_str, NULL, &stream) == SWITCH_STATUS_SUCCESS) {
ResponseStatus(r, 200);
r->responseStarted = TRUE;
//r->done = TRUE;
} else {
ResponseStatus(r, 404);
ResponseError(r);
}
//SocketClose(&(r->conn->socket));
HTTPWriteEnd(r);
//if (r->conn->channelP)
//ConnKill(r->conn);
//ChannelInterrupt(r->conn->channelP);
//ConnClose(r->conn);
//ChannelDestroy(r->conn->channelP);
r->requestInfo.keepalive = 0;
end:
return ret;
}
