Files
minisrv/zefie_wtvp_minisrv/includes/classes/WTVDisk.js

253 lines
9.5 KiB
JavaScript

/**
* wtv/download-list creation helper class
* By: zefie
*/
const { WTVShared, clientShowAlert } = require("./WTVShared.js");
class WTVDownloadList {
download_list = "";
service_name = "";
content_type = "wtv/download-list";
wtvshared = null;
clientShowAlert = null;
minisrv_config = [];
/**
* Constructs the WTVDownloadList Class
* @param {string} service_name Service name to use in wtv-urls
*/
constructor(minisrv_config, service_name = "wtv-disk") {
this.minisrv_config = minisrv_config;
this.wtvshared = new WTVShared(minisrv_config);
this.clientShowAlert = clientShowAlert;
this.service_name = service_name;
this.clear();
}
/**
* Clears the download list
*/
clear() {
this.download_list = "";
}
/**
* Alias to clear() (clears the download list)
*/
reset() {
this.clear();
}
/**
* Returns the download list.
* @returns {string} Download list for client;
*/
getDownloadList() {
return this.download_list;
}
/**
* Adds a DISPLAY command to the download list
* @param {string} message Message to display to the client
*/
display(message) {
this.download_list += `DISPLAY ${message}\n\n`;
}
/**
* Adds an EXECUTE command to the download list
* @param {string} command client command to execute
*/
execute(command) {
this.download_list += `EXECUTE ${command}\n\n`;
}
/**
* Adds a CREATE partition command to the download list
* @param {string} path file://Disk/ path to desired partition
* @param {string} size Size of the desired partition
*/
createPartition(path, size) {
this.download_list += `CREATE ${path}\npartition-size: ${size}\n\n`;
}
/**
* Adds a CREATE-GROUP command to the download list
* @param {string} name Group name
* @param {string} path file://Disk/ path of desired group
* @param {string} state Group state
* @param {boolean|null} service_owned Sets service owned flag. (null = don't set)
*/
createGroup(name, path, state = 'invalid', service_owned = null) {
this.download_list += `CREATE-GROUP ${name}\nstate: ${state}\n`;
if (service_owned !== null) this.download_list += `service-owned: ${service_owned}\n`;
this.download_list += `base: ${path}\n\n`;
}
/**
* An alias for createGroup() that handles creating the '-UPDATE' group for you
* @param {string} name Group name
* @param {string} path file://Disk/ path of desired group
* @param {string} state Group state
* @param {boolean} service_owned Sets service owned flag.
*/
createUpdateGroup(name, path, state = 'invalid', service_owned = false) {
this.createGroup(name + "-UPDATE", path, state);
this.createGroup(name, path, state, service_owned);
}
/**
* Adds a DELETE command to the download list
* @param {string} path Non-absolute path of client destination file (relative to group base) if group defined, otherwise absolute file://Disk/ path to delete
* @param {string|null} group Group to which it belongs
* @param {string|null} original_filename Use this filename (useful if WTV GZ)
*/
delete(path, group = null, original_filename = null) {
path = this.checkOriginalName(path, original_filename);
this.download_list += `DELETE ${path}\n`;
if (group) this.download_list += `group: ${group}\n\n`;
else this.download_list += "\n";
}
/**
* Adds a PUT command to the download list
* @param {string} path Absolute file://Disk/ path of a file to upload to the service
* @param {string} destination Destination address (wtv url on service) in which to POST upload the file to
*/
put(path, destination) {
this.download_list += `PUT ${path}\nlocation: ${destination}\n\n`;
}
/**
* Alias to put() for User Store
* @param {string} path Absolute file://Disk/ path of a file to upload to the service
* @param {string} destination Destination file path in the User Store
*/
putUserStoreDest(path, destination) {
this.put(path, `${this.service_name}:/userstore?partialPath=${encodeURIComponent(destination)}`);
}
/**
* Alias to putUserStoreDest() that generates the destination
* @param {string} path
*/
putUserStore(path) {
const destination = path.replace("file://", "");
this.putUserStoreDest(path, destination);
}
/**
* Adds a GET command to the download list
* @param {string} file Non-absolute path of client destination file (relative to group base)
* @param {string} path Absolute file://Disk/ path of destination
* @param {string} source wtv-url to fetch file from
* @param {string} group Group this file belongs to
* @param {string|null} checksum md5sum of the file
* @param {string|null} uncompressed_size Uncompressed size of gzip file
* @param {string|null} original_filename Use this filename (useful if WTV GZ)
* @param {string} file_permission File permissions
*/
get(file, path, source, group, checksum = null, uncompressed_size = null, original_filename = null, file_permission = 'r') {
if (original_filename) {
path = path.replace(file, original_filename);
}
this.download_list += `GET ${original_filename || file}\n`;
source = source.replace(/\\/g, "/");
this.download_list += `group: ${group}-UPDATE\n`;
this.download_list += `location: ${source}\n`;
this.download_list += `file-permission: ${file_permission}\n`;
if (checksum != null) this.download_list += `wtv-checksum: ${checksum}\n`;
if (uncompressed_size != null) this.download_list += `wtv-uncompressed-filesize: ${uncompressed_size}\n`;
this.download_list += `service-source-location: /webtv/content/${source.slice(source.indexOf('-') + 1, source.indexOf(':/'))}d/${source.slice(source.indexOf(':/') + 2)}\n`;
this.download_list += `client-dest-location: ${path}\n\n`;
}
/**
* Helper function for WTV GZIP, if original_name is set, use this filename instead of the name in the path
* @param {string} path
* @param {string} original_name
* @returns {string} Path, with filename replaces by original_name, or just path if original_name = null
*/
checkOriginalName(path, original_name) {
if (original_name) {
const tmp = this.wtvshared.getFilePath(path);
if (tmp.length > 0) return `${tmp}/${original_name}`;
return original_name;
} else return path;
}
getGroupDataFromClientPost(post_data) {
if (typeof post_data == 'string') post_data = post_data.split("\n\n");
const group_data = [];
post_data.forEach(function (v) {
if (v.slice(0, 4) == "file") {
const block_split = v.split("\n");
const group_data_entry = {};
group_data_entry.path = block_split[0];
block_split.forEach(function (block_section) {
if (block_section.indexOf(": ") > 0) {
const block_section_split = block_section.split(": ");
group_data_entry[block_section_split[0]] = block_section_split[1];
}
});
group_data[group_data_entry.group] = group_data_entry;
}
});
return group_data;
}
/**
* Adds a RENAME command to the download list
* @param {string} srcfile Non-absolute path of client source file (relative to source group base)
* @param {string} destfile Non-absolute path of client destination file (relative to destination group base)
* @param {string} srcgroup Source Group
* @param {string} destgroup Destination Group
* @param {string} original_filename Use this filename (useful if WTV GZ)
*/
rename(srcfile, destfile, srcgroup, destgroup, original_filename = null) {
if (original_filename) {
srcfile = this.checkOriginalName(srcfile, original_filename);
destfile = this.checkOriginalName(destfile, original_filename);
}
this.download_list += `RENAME ${srcfile}\n`;
this.download_list += `group: ${srcgroup}-UPDATE\n`;
this.download_list += `destination-group: ${destgroup}\n`;
this.download_list += `location: ${destfile}\n\n`;
}
/**
* Adds a SET-GROUP command to the download list
* @param {string} group Group to set state of
* @param {string} state State to set group to
* @param {string} version Version to set group to
*/
setGroup(group, state, version) {
this.download_list += `SET-GROUP ${group}\n`;
this.download_list += `state: ${state}\n`;
this.download_list += `version: ${version}\n`;
this.download_list += `last-checkup-time: ${new Date().toUTCString().replace("GMT", "+0000")}\n\n`;
}
/**
* Adds a DELETE-GROUP command to the download list
* @param {string} group Group to delete
*/
deleteGroup(group) {
this.download_list += `DELETE-GROUP ${group}\n\n`;
}
/**
* An alias for deleteGroup() that handles deleting the '-UPDATE' group files for you
* @param {string} group Group to delete
* @param {string} path Group base path
*/
deleteGroupUpdate(group, path) {
this.deleteGroup(`${group}-UPDATE`);
this.delete(`${path}.GROUP-UPDATE/`);
}
}
module.exports = WTVDownloadList;