resource_recordings.c

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/*
 * Asterisk -- An open source telephony toolkit.
 *
 * Copyright (C) 2012 - 2013, Digium, Inc.
 *
 * David M. Lee, II <dlee@digium.com>
 *
 * See http://www.asterisk.org for more information about
 * the Asterisk project. Please do not directly contact
 * any of the maintainers of this project for assistance;
 * the project provides a web site, mailing lists and IRC
 * channels for your use.
 *
 * This program is free software, distributed under the terms of
 * the GNU General Public License Version 2. See the LICENSE file
 * at the top of the source tree.
 */
 
/*! \file
 *
 * \brief /api-docs/recordings.{format} implementation- Recording resources
 *
 * \author David M. Lee, II <dlee@digium.com>
 */
 
/*** MODULEINFO
    <support_level>core</support_level>
 ***/
 
#include "asterisk.h"
 
#include "asterisk/stasis_app_recording.h"
#include "resource_recordings.h"
 
void ast_ari_recordings_list_stored(struct ast_variable *headers,
    struct ast_ari_recordings_list_stored_args *args,
    struct ast_ari_response *response)
{
    RAII_VAR(struct ao2_container *, recordings, NULL, ao2_cleanup);
    RAII_VAR(struct ast_json *, json, NULL, ast_json_unref);
    struct ao2_iterator i;
    void *obj;
 
    recordings = stasis_app_stored_recording_find_all();
 
    if (!recordings) {
        ast_ari_response_alloc_failed(response);
        return;
    }
 
    json = ast_json_array_create();
    if (!json) {
        ast_ari_response_alloc_failed(response);
        return;
    }
 
    i = ao2_iterator_init(recordings, 0);
    while ((obj = ao2_iterator_next(&i))) {
        RAII_VAR(struct stasis_app_stored_recording *, recording, obj,
            ao2_cleanup);
 
        int r = ast_json_array_append(
            json, stasis_app_stored_recording_to_json(recording));
        if (r != 0) {
            ast_ari_response_alloc_failed(response);
            ao2_iterator_destroy(&i);
            return;
        }
    }
    ao2_iterator_destroy(&i);
 
    ast_ari_response_ok(response, ast_json_ref(json));
}
 
void ast_ari_recordings_get_stored(struct ast_variable *headers,
    struct ast_ari_recordings_get_stored_args *args,
    struct ast_ari_response *response)
{
    RAII_VAR(struct stasis_app_stored_recording *, recording, NULL,
        ao2_cleanup);
    struct ast_json *json;
 
    recording = stasis_app_stored_recording_find_by_name(
        args->recording_name);
    if (recording == NULL) {
        ast_ari_response_error(response, 404, "Not Found",
            "Recording not found");
        return;
    }
 
    json = stasis_app_stored_recording_to_json(recording);
    if (json == NULL) {
        ast_ari_response_error(response, 500,
            "Internal Server Error", "Error building response");
        return;
    }
 
    ast_ari_response_ok(response, json);
}
 
void ast_ari_recordings_get_stored_file(struct ast_tcptls_session_instance *ser,
    struct ast_variable *headers, struct ast_ari_recordings_get_stored_file_args *args,
    struct ast_ari_response *response)
{
    RAII_VAR(struct stasis_app_stored_recording *, recording,
        stasis_app_stored_recording_find_by_name(args->recording_name),
        ao2_cleanup);
    static const char *format_type_names[AST_MEDIA_TYPE_TEXT + 1] = {
        [AST_MEDIA_TYPE_UNKNOWN] = "binary",
        [AST_MEDIA_TYPE_AUDIO] = "audio",
        [AST_MEDIA_TYPE_VIDEO] = "video",
        [AST_MEDIA_TYPE_IMAGE] = "image",
        [AST_MEDIA_TYPE_TEXT] = "text",
    };
    struct ast_format *format;
 
    response->message = ast_json_null();
 
    if (!recording) {
        ast_ari_response_error(response, 404, "Not Found",
            "Recording not found");
        return;
    }
 
    format = ast_get_format_for_file_ext(stasis_app_stored_recording_get_extension(recording));
    if (!format) {
        ast_ari_response_error(response, 500, "Internal Server Error",
            "Format specified by recording not available or loaded");
        return;
    }
 
    response->fd = open(stasis_app_stored_recording_get_filename(recording), O_RDONLY);
    if (response->fd < 0) {
        ast_ari_response_error(response, 403, "Forbidden",
            "Recording could not be opened");
        return;
    }
 
    ast_str_append(&response->headers, 0, "Content-Type: %s/%s\r\n",
        format_type_names[ast_format_get_type(format)],
        stasis_app_stored_recording_get_extension(recording));
    ast_ari_response_ok(response, ast_json_null());
}
 
void ast_ari_recordings_copy_stored(struct ast_variable *headers,
    struct ast_ari_recordings_copy_stored_args *args,
    struct ast_ari_response *response)
{
    RAII_VAR(struct stasis_app_stored_recording *, src_recording, NULL,
        ao2_cleanup);
    RAII_VAR(struct stasis_app_stored_recording *, dst_recording, NULL,
        ao2_cleanup);
    struct ast_json *json;
    int res;
 
    src_recording = stasis_app_stored_recording_find_by_name(
        args->recording_name);
    if (src_recording == NULL) {
        ast_ari_response_error(response, 404, "Not Found",
            "Recording not found");
        return;
    }
 
    dst_recording = stasis_app_stored_recording_find_by_name(
        args->destination_recording_name);
    if (dst_recording) {
        ast_ari_response_error(response, 409, "Conflict",
            "A recording with the same name already exists on the system");
        return;
    }
 
    /* See if we got our name rejected */
    switch (errno) {
    case EINVAL:
        ast_ari_response_error(response, 400, "Bad request",
            "Invalid destination recording name");
        return;
    case EACCES:
        ast_ari_response_error(response, 403, "Forbidden",
            "Destination file path is forbidden");
        return;
    default:
        break;
    }
 
    res = stasis_app_stored_recording_copy(src_recording,
        args->destination_recording_name, &dst_recording);
    if (res) {
        switch (errno) {
        case EACCES:
        case EPERM:
            ast_ari_response_error(response, 500,
                "Internal Server Error",
                "Copy failed");
            break;
        default:
            ast_log(LOG_WARNING,
                "Unexpected error copying recording %s to %s: %s\n",
                args->recording_name, args->destination_recording_name, strerror(errno));
            ast_ari_response_error(response, 500,
                "Internal Server Error",
                "Copy failed");
            break;
        }
        return;
    }
 
    json = stasis_app_stored_recording_to_json(dst_recording);
    if (json == NULL) {
        ast_ari_response_error(response, 500,
            "Internal Server Error", "Error building response");
        return;
    }
 
    ast_ari_response_ok(response, json);
}
 
void ast_ari_recordings_delete_stored(struct ast_variable *headers,
    struct ast_ari_recordings_delete_stored_args *args,
    struct ast_ari_response *response)
{
    RAII_VAR(struct stasis_app_stored_recording *, recording, NULL,
        ao2_cleanup);
    int res;
 
    recording = stasis_app_stored_recording_find_by_name(
        args->recording_name);
    if (recording == NULL) {
        ast_ari_response_error(response, 404, "Not Found",
            "Recording not found");
        return;
    }
 
    res = stasis_app_stored_recording_delete(recording);
 
    if (res != 0) {
        switch (errno) {
        case EACCES:
        case EPERM:
            ast_ari_response_error(response, 500,
                "Internal Server Error",
                "Delete failed");
            break;
        default:
            ast_log(LOG_WARNING,
                "Unexpected error deleting recording %s: %s\n",
                args->recording_name, strerror(errno));
            ast_ari_response_error(response, 500,
                "Internal Server Error",
                "Delete failed");
            break;
        }
        return;
    }
 
    ast_ari_response_no_content(response);
}
 
void ast_ari_recordings_get_live(struct ast_variable *headers,
    struct ast_ari_recordings_get_live_args *args,
    struct ast_ari_response *response)
{
    RAII_VAR(struct stasis_app_recording *, recording, NULL, ao2_cleanup);
    struct ast_json *json;
 
    recording = stasis_app_recording_find_by_name(args->recording_name);
    if (recording == NULL) {
        ast_ari_response_error(response, 404, "Not Found",
            "Recording not found");
        return;
    }
 
    json = stasis_app_recording_to_json(recording);
    if (json == NULL) {
        ast_ari_response_error(response, 500,
            "Internal Server Error", "Error building response");
        return;
    }
 
    ast_ari_response_ok(response, json);
}
 
static void control_recording(const char *name,
    enum stasis_app_recording_media_operation operation,
    struct ast_ari_response *response)
{
    RAII_VAR(struct stasis_app_recording *, recording, NULL, ao2_cleanup);
    enum stasis_app_recording_oper_results res;
 
    recording = stasis_app_recording_find_by_name(name);
    if (recording == NULL) {
        ast_ari_response_error(response, 404, "Not Found",
            "Recording not found");
        return;
    }
 
    res = stasis_app_recording_operation(recording, operation);
 
    switch (res) {
    case STASIS_APP_RECORDING_OPER_OK:
        ast_ari_response_no_content(response);
        return;
    case STASIS_APP_RECORDING_OPER_FAILED:
        ast_ari_response_error(response, 500,
            "Internal Server Error", "Recording operation failed");
        return;
    case STASIS_APP_RECORDING_OPER_NOT_RECORDING:
        ast_ari_response_error(response, 409,
            "Conflict", "Recording not in session");
    }
}
 
void ast_ari_recordings_cancel(struct ast_variable *headers,
    struct ast_ari_recordings_cancel_args *args,
    struct ast_ari_response *response)
{
    control_recording(args->recording_name, STASIS_APP_RECORDING_CANCEL,
        response);
}
 
void ast_ari_recordings_stop(struct ast_variable *headers,
    struct ast_ari_recordings_stop_args *args,
    struct ast_ari_response *response)
{
    control_recording(args->recording_name, STASIS_APP_RECORDING_STOP,
        response);
}
 
void ast_ari_recordings_pause(struct ast_variable *headers,
    struct ast_ari_recordings_pause_args *args,
    struct ast_ari_response *response)
{
    control_recording(args->recording_name, STASIS_APP_RECORDING_PAUSE,
        response);
}
 
void ast_ari_recordings_unpause(struct ast_variable *headers,
    struct ast_ari_recordings_unpause_args *args,
    struct ast_ari_response *response)
{
    control_recording(args->recording_name, STASIS_APP_RECORDING_UNPAUSE,
        response);
}
 
void ast_ari_recordings_mute(struct ast_variable *headers,
    struct ast_ari_recordings_mute_args *args,
    struct ast_ari_response *response)
{
    control_recording(args->recording_name, STASIS_APP_RECORDING_MUTE,
        response);
}
 
void ast_ari_recordings_unmute(struct ast_variable *headers,
    struct ast_ari_recordings_unmute_args *args,
    struct ast_ari_response *response)
{
    control_recording(args->recording_name, STASIS_APP_RECORDING_UNMUTE,
        response);
}