/
settings.js
850 lines (770 loc) · 32.4 KB
/
settings.js
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/**
* This module provides the functions to handle settings access from the front end.
*/
var crypto = require('crypto');
var fs = require("fs-extra");
var path = require('path');
var redis = require('redis');
var request = require('request');
var titleCase = require('to-title-case');
var _ = require("underscore");
var xml2js = require('xml2js');
const url = require('url');
var settingsApi = require('./settingsapi.js');
var user = require('./user.js');
var utils = require('./utils.js');
var client = redis.createClient();
var USER_CACHE_PREFIX = "user_";
var GROUP_CACHE_PREFIX = "group_";
var CURRENT_PATH = __dirname;
var EXAMPLE_CONFIG_PATH = CURRENT_PATH + "/../../config_examples/config.js";
var MASTER_CONFIG_PATH = CURRENT_PATH + "/../../config/site_settings/";
var settings = {};
module.exports = settings;
settings.config = function(req, res) {
var domain = utils.getDomainName(req); // Gets the given domain
var config_path = path.join(MASTER_CONFIG_PATH, domain, "config.js");
var js_file;
try {
js_file = fs.readFileSync(config_path);
} catch (e) {
js_file = fs.readFileSync(EXAMPLE_CONFIG_PATH);
}
res.type('application/javascript');
res.send(js_file);
};
settings.email_setup = function(req, res) {
var domain = utils.getDomainName(req); // Gets the given domain
var email_config = global.config[domain].email;
var email_setup = false;
if (email_config) {
if (email_config.method == "mailgun") {
if (email_config.mailgun_api_key && email_config.mailgun_domain) {
email_setup = true;
}
}
if (email_config.method == "smtp") {
if ("smtp_email" in email_config && "smtp_pass" in email_config && "smtp_host" in email_config && "smtp_ssl" in email_config) {
email_setup = true;
}
}
}
res.send(email_setup);
};
settings.view = function(req, res) {
var domain = utils.getDomainName(req); // Gets the given domain
var view_name = req.query.view;
var view_path = path.join(MASTER_CONFIG_PATH, domain, "views", view_name + ".json");
var view_file;
if (utils.fileExists(view_path)) {
view_file = fs.readFileSync(view_path);
res.send(view_file);
} else {
res.status(404).send();
}
};
settings.walkthrough = function(req, res) {
var domain = utils.getDomainName(req); // Gets the given domain
var walkthrough = req.query.walkthrough;
var owner = req.query.owner;
var file_path;
if (owner == domain) {
file_path = path.join(MASTER_CONFIG_PATH, domain, walkthrough + "_walkthrough.json");
} else {
file_path = path.join(MASTER_CONFIG_PATH, domain, "user_" + owner, walkthrough + "_walkthrough.json");
}
var walkthrough_file;
if (utils.fileExists(file_path)) {
walkthrough_file = fs.readFileSync(file_path);
res.send(walkthrough_file);
} else {
res.status(404).send();
}
};
settings.delete_walkthrough = function(req, res) {
var domain = utils.getDomainName(req); // Gets the given domain
var walkthrough = req.query.walkthrough;
var owner = req.query.owner;
var file_path;
if (owner == domain) {
file_path = path.join(MASTER_CONFIG_PATH, domain, walkthrough + "_walkthrough.json");
} else {
file_path = path.join(MASTER_CONFIG_PATH, domain, "user_" + owner, walkthrough + "_walkthrough.json");
}
// var walkthrough_file; // NOT USED
if (utils.fileExists(file_path)) {
fs.unlinkSync(file_path);
res.send({});
} else {
res.status(404).send();
}
};
settings.get_views = function(req, res) {
var domain = utils.getDomainName(req); // Gets the given domain
var views_path = path.join(MASTER_CONFIG_PATH, domain, "views");
if (!utils.directoryExists(views_path)) {
res.status(404).send();
return;
}
var views_obj = {};
var views_list = fs.readdirSync(views_path); // The list of files and folders in the master_cache folder
views_list.forEach(function(filename) {
var view_path = path.join(views_path, filename);
if (utils.fileExists(view_path)) {
var view_file = fs.readFileSync(view_path);
try {
var niceName = filename.replace('.json', "");
views_obj[niceName] = JSON.parse(view_file).title || niceName;
} catch (e) {}
}
});
res.send(views_obj);
};
settings.get_walkthroughs = function(req, res) {
var this_username = user.getUsername(req);
var usernames = [this_username];
var domain = utils.getDomainName(req); // Gets the given domain
var permission = user.getAccessLevel(req, domain);
var walkthrough_list = [];
var master_path = path.join(MASTER_CONFIG_PATH, domain); // The path for the domain cache
if (!utils.directoryExists(master_path)) {
utils.mkdirpSync(master_path); // Creates the directory if it doesn't exist
}
var master_list = fs.readdirSync(master_path); // The list of files and folders in the master_cache folder
master_list.forEach(function(filename) {
var file_path = path.join(master_path, filename);
if (utils.fileExists(file_path) && filename.substring(filename.length - 17, filename.length) == "_walkthrough.json") {
var json_data = JSON.parse(fs.readFileSync(file_path)); // Reads all the json files
walkthrough_list.push({
'title': json_data.title,
'owner': json_data.owner
});
}
});
if (permission != "guest") {
if (permission == "admin") {
master_list.forEach(function(filename) {
if (utils.directoryExists(path.join(master_path, filename))) {
if (filename.startsWith(USER_CACHE_PREFIX)) {
usernames.push(filename.replace(USER_CACHE_PREFIX, "")); // If you are an admin, add all of the usernames from this domain to the variable
}
}
});
}
usernames = _.uniq(usernames); // Makes the list unique (admins will have themselves twice)
// Eventually should just remove all admins here!
for (var username in usernames) { // Usernames is now a list of all users or just the single loggeed in user.
var user_config_path = path.join(master_path, USER_CACHE_PREFIX + usernames[username]);
if (!utils.directoryExists(user_config_path)) {
utils.mkdirpSync(user_config_path); // Creates the directory if it doesn't already exist
}
var user_list = fs.readdirSync(user_config_path); // Gets all the user files
user_list.forEach(function(filename) {
var file_path = path.join(user_config_path, filename);
if (utils.fileExists(file_path) && filename.substring(filename.length - 17, filename.length) == "_walkthrough.json") {
var json_data = JSON.parse(fs.readFileSync(file_path)); // Reads all the json files
walkthrough_list.push({
'title': json_data.title,
'owner': json_data.owner
});
}
});
}
}
// TODO change to res.json
res.send(JSON.stringify(walkthrough_list)); // Returns the cache to the browser.
};
settings.get_owners = function(req, res) {
var domain = utils.getDomainName(req); // Gets the given domain
var username = user.getUsername(req);
var permission = user.getAccessLevel(req, domain);
var owners = [];
owners.push(username);
if (permission == "admin") {
var domain_path = path.join(MASTER_CONFIG_PATH, domain);
var domain_folder = fs.readdirSync(domain_path); // The list of files and folders in the domain folder
domain_folder.forEach(function(folder) {
var folder_name = path.join(domain_path, folder);
if (utils.directoryExists(folder_name) && folder.startsWith(USER_CACHE_PREFIX)) {
var folder_owner = folder.replace(USER_CACHE_PREFIX, "");
if (folder_owner != username) {
owners.push(folder_owner);
}
} else if (utils.directoryExists(folder_name) && folder.startsWith(GROUP_CACHE_PREFIX)) {
owners.push(folder);
}
});
owners.push(domain);
}
res.send({
owners: owners
});
};
/**
* Get all the groups for the domain
* @param {Object} req Express request
* @param {Object} res Express response - a json array of groups is sent
*/
settings.get_groups = function(req, res) {
var domain = utils.getDomainName(req); // Gets the given domain
var permission = user.getAccessLevel(req, domain);
var groups = [];
if (permission == 'admin') {
var domainPath = path.join(MASTER_CONFIG_PATH, domain);
var domainFolder = fs.readdirSync(domainPath); // The list of files and folders in the domain folder
for (var i = 0; i < domainFolder.length; i++) {
var folder = domainFolder[i];
var folderPath = path.join(domainPath, folder);
if (utils.directoryExists(folderPath) && folder.startsWith(GROUP_CACHE_PREFIX)) {
var groupName = folder.replace(GROUP_CACHE_PREFIX, '');
var members = [];
var membersFilePath = path.join(folderPath, 'members.json');
var membersFile = JSON.parse(fs.readFileSync(membersFilePath));
for (var j = 0; j < membersFile.length; j++) {
members.push(membersFile[j].username);
}
groups.push({
groupName: groupName,
members: members
});
}
}
res.json(groups);
} else {
res.status(401).send();
}
};
/**
* Save a group
* @param {Object} req Express request - with the group as the JSON body
* @param {Object} res Express response - not used
* @param {Function} next The next function in the router chain
*/
settings.save_group = function(req, res, next) {
var domain = utils.getDomainName(req); // Gets the given domain
var permission = user.getAccessLevel(req, domain);
if (permission == 'admin') {
var group = req.body;
// Clean the groupName to remove .. \ /, and replace whitespace with underscore
var groupName = group.groupName.replace(/\.\.|\\|\//g, '').replace(/\s/g, '_');
var domainPath = path.join(MASTER_CONFIG_PATH, domain);
var groupFolder = path.join(domainPath, GROUP_CACHE_PREFIX + groupName);
if (!utils.directoryExists(groupFolder)) {
utils.mkdirpSync(groupFolder);
}
var membersFile = [];
for (var i = 0; i < group.members.length; i++) {
membersFile.push({
username: group.members[i]
});
}
membersFile = JSON.stringify(membersFile);
fs.writeFile(path.join(groupFolder, 'members.json'), membersFile, function() {
next();
});
} else {
res.status(401).send();
}
};
/**
* Delete a group
* @param {Object} req Express request - with the group name in the query
* @param {Object} res Express response
*/
settings.delete_group = function(req, res) {
var domain = utils.getDomainName(req); // Gets the given domain
var permission = user.getAccessLevel(req, domain);
if (permission == 'admin') {
var groupName = req.query.groupname;
// Clean the groupName to remove .. \ /, and replace whitespace with underscore
groupName = groupName.replace(/\.\.|\\|\//g, '').replace(/\s/g, '_');
var domainPath = path.join(MASTER_CONFIG_PATH, domain);
var groupFolderName = GROUP_CACHE_PREFIX + groupName;
var groupFolder = path.join(domainPath, groupFolderName);
if (utils.directoryExists(groupFolder)) {
var deletePath = path.join(domainPath, "deleted_cache");
var deleteFolder = path.join(deletePath, groupFolderName);
if (!utils.directoryExists(deletePath)) {
utils.mkdirpSync(deletePath);
}
fs.move(groupFolder, deleteFolder, {
overwrite: true
}, function(err) {
if (err) {
res.status(500).send();
} else {
res.send();
}
});
} else {
res.status(404).send();
}
} else {
res.status(401).send();
}
};
settings.get_dictionary = function(req, res) {
var domain = utils.getDomainName(req); // Gets the given domain
var username = user.getUsername(req);
var dict_path = path.join(MASTER_CONFIG_PATH, "dictionary.json");
var user_dict_path = path.join(MASTER_CONFIG_PATH, domain, "user_" + username, "dictionary.json");
if (utils.fileExists(dict_path)) {
var dict_file = JSON.parse(fs.readFileSync(dict_path));
if (utils.fileExists(user_dict_path)) {
var user_dict_file = JSON.parse(fs.readFileSync(user_dict_path));
_.extend(dict_file, user_dict_file);
}
res.send(dict_file);
} else {
res.send({});
}
};
settings.add_to_dictionary = function(req, res) {
var domain = utils.getDomainName(req); // Gets the given domain
var standard_name = req.query.standard_name;
var display_name = req.query.display_name;
var username = user.getUsername(req);
var permission = user.getAccessLevel(req, domain);
var tags = req.body; // Gets the data (tags)
var path_gutts = "";
if (permission != "admin") {
path_gutts = path.join(domain, "user_" + username);
}
var dict_path = path.join(MASTER_CONFIG_PATH, path_gutts, "dictionary.json");
var dict;
if (!utils.fileExists(dict_path)) {
if (standard_name && display_name) {
dict = '{"' + standard_name + '":{"displayName":["' + display_name + '"], "tags":[' + JSON.stringify(tags) + ']}}';
} else {
dict = "{}";
}
fs.writeFileSync(dict_path, dict);
} else {
dict = JSON.parse(fs.readFileSync(dict_path));
if (!dict[standard_name]) {
dict[standard_name] = {};
}
if (!dict[standard_name].displayName) {
dict[standard_name].displayName = [];
}
if (!dict[standard_name].tags) {
dict[standard_name].tags = [];
}
if (dict[standard_name].displayName.indexOf(display_name) < 0) {
dict[standard_name].displayName.push(display_name);
}
if (dict[standard_name].tags.indexOf(tags) < 0) {
dict[standard_name].tags.push(tags);
}
fs.writeFileSync(dict_path, JSON.stringify(dict));
}
res.status(200).send();
};
settings.get_cache = function(req, res) {
var username = user.getUsername(req);
var domain = utils.getDomainName(req); // Gets the given domain
var permission = user.getAccessLevel(req, domain);
var cache = settingsApi.get_cache(username, domain, permission);
// TODO change to res.json(cache) and test
res.send(JSON.stringify(cache)); // Returns the cache to the browser.
};
settings.remove_server_cache = function(req, res) {
var username = user.getUsername(req); // Gets the given username
var domain = utils.getDomainName(req); // Gets the given domain
var permission = user.getAccessLevel(req, domain); // Gets the user permission
var filename = req.query.filename; // Gets the given filename
var owner = req.query.owner; // Gets the given owner
filename += ".json"; // Adds the file extension to the filename
var base_path;
if (owner.startsWith(GROUP_CACHE_PREFIX)) {
// The path if the owner is a group
base_path = path.join(MASTER_CONFIG_PATH, domain, owner);
} else {
base_path = path.join(MASTER_CONFIG_PATH, domain, USER_CACHE_PREFIX + owner); // The path if the owner is not a domain
}
var master_list = fs.readdirSync(MASTER_CONFIG_PATH); // The list of files and folders in the master_cache folder
master_list.forEach(function(value) {
if (value == owner) {
base_path = path.join(MASTER_CONFIG_PATH, domain);
return;
}
});
var file_path = path.join(base_path, filename); // The current file path
var delete_path = path.join(base_path, "deleted_cache"); // The directory to be moved to (so it can be created if needs be)
var delete_file_path = path.join(delete_path, filename); // The full path to be moved to
if (owner == username || permission == "admin") {
if (!utils.directoryExists(delete_path)) {
utils.mkdirpSync(delete_path); // Creates the directory if it doesn't already exist
}
fs.rename(file_path, delete_file_path, function(err) { // Moves the file to the deleted cache
if (err) {
utils.handleError(err, res);
} else {
// TODO change to res.json
res.send(JSON.stringify({
'path': delete_file_path,
'owner': owner
})); // Returns the file path so it can be replaced if the user undoes the delete
}
});
}
};
settings.add_wcs_url = function(req, res) {
var domain = utils.getDomainName(req); // Gets the given domain
var url = req.query.url.split('?')[0].split(" ")[0]; // Gets the given url
var username = user.getUsername(req); // Gets the given username
var permission = user.getAccessLevel(req, domain); // Gets the user permission
if (permission == 'admin') {
// If the user is an admin
username = req.query.username;
} else if (permission == 'guest' || req.query.username && username != req.query.username) {
// Else if they are a guest or are trying to modify another user's layer
res.status(401).send('You are not authorised to do that!');
return;
}
var filename = req.query.filename + ".json"; // Gets the given filename
var base_path = path.join(MASTER_CONFIG_PATH, domain);
if (username != domain) {
base_path = path.join(base_path, USER_CACHE_PREFIX + username);
}
var this_path = path.join(base_path, filename);
var json_data = JSON.parse(fs.readFileSync(this_path));
json_data.wcsURL = url;
fs.writeFileSync(this_path, JSON.stringify(json_data));
res.send(this_path);
};
settings.restore_server_cache = function(req, res) {
var username = user.getUsername(req); // Gets the given username
var domain = utils.getDomainName(req); // Gets the given domain
var permission = user.getAccessLevel(req, domain); // Gets the user permission
var data = req.body; // Gets the data back to restore previously deleted file
var owner = data.owner;
var deleted_path = data.path;
var restored_path = deleted_path.replace("deleted_cache/", "");
if (owner == username || permission == "admin") {
fs.rename(deleted_path, restored_path, function(err) { // Moves the file to the deleted cache
if (err) {
utils.handleError(err, res);
} else {
res.send("");
}
});
}
};
settings.update_layer = function(req, res) {
var owner = req.query.username; // Gets the given username
var domain = utils.getDomainName(req); // Gets the given domain
var data = JSON.parse(req.body.data); // Gets the data given
// Check that the user has permission to do this
var username = user.getUsername(req);
var permission = user.getAccessLevel(req, domain);
if (username != owner && permission != 'admin') {
return res.status(401).send();
}
settingsApi.update_layer(owner, domain, data, function(err) {
if (err) {
utils.handleError(err, res);
} else {
res.send("");
}
});
};
settings.add_user_layer = function(req, res) {
var layers_list = JSON.parse(req.body.layers_list); // Gets the given layers_list
var server_info = JSON.parse(req.body.server_info); // Gets the given server_info
var domain = utils.getDomainName(req); // Gets the given domain
var owner = server_info.owner; // Gets the given owner
var old_owner = server_info.old_owner; // Gets the old owner
var cache_path;
var save_path;
// Check that the user has permission to do this
var username = user.getUsername(req);
var permission = user.getAccessLevel(req, domain);
if (username != owner && permission != 'admin') {
return res.status(401).send();
}
if ('provider' in server_info && 'server_name' in server_info) { // Checks that all the required fields are in the object
var filename = server_info.server_name + '.json';
filename = filename.replace(/\.\./g, "_dotdot_"); // Clean the filename to remove ..
if (domain == owner) {
// If is is a global file it is refreshed from the URL
cache_path = path.join(MASTER_CONFIG_PATH, domain);
save_path = path.join(MASTER_CONFIG_PATH, domain, filename);
} else if (owner.startsWith(GROUP_CACHE_PREFIX)) {
cache_path = path.join(MASTER_CONFIG_PATH, domain, "temporary_cache");
save_path = path.join(MASTER_CONFIG_PATH, domain, owner, filename);
} else {
// If it is to be a user file the data is retrieved from the temorary cache
cache_path = path.join(MASTER_CONFIG_PATH, domain, "temporary_cache");
save_path = path.join(MASTER_CONFIG_PATH, domain, USER_CACHE_PREFIX + owner, filename);
}
if (old_owner == domain) {
cache_path = path.join(MASTER_CONFIG_PATH, domain);
}
if (!utils.directoryExists(cache_path)) {
utils.mkdirpSync(cache_path); // Creates the directory if it doesn't already exist
}
var cache_file = path.join(cache_path, filename); // Adds the filename to the path
var data = {};
try {
data = JSON.parse(fs.readFileSync(cache_file)); // Gets the data from the file
} catch (e) {
// Tries again with the temporary cache (Perhaps an admin is adding a server to this domain)
if (domain == owner) {
cache_file = path.join(cache_path, "temporary_cache", filename); // Adds the filename to the path
data = JSON.parse(fs.readFileSync(cache_file)); // Gets the data from the file
}
}
if (JSON.stringify(data) == "{}") {
return res.status(404).send();
}
var new_data = []; // The list for the new data to go into
for (var new_layer in layers_list) { // Loops through each new layer.
var this_new_layer = layers_list[new_layer];
if ('abstract' in this_new_layer && 'id' in this_new_layer && 'list_id' in this_new_layer && 'nice_name' in this_new_layer && 'tags' in this_new_layer) { // Checks that the layer has the required fields
var found = false;
for (var old_layer in data.server.Layers) { // Loops through each old layer to be compared.
if (data.server.Layers[old_layer].Name == this_new_layer.original_name) { // When the layers match
var new_data_layer = data.server.Layers[old_layer]; //
new_data_layer.Title = titleCase(this_new_layer.nice_name);
new_data_layer.Abstract = this_new_layer.abstract;
new_data_layer.include = this_new_layer.include;
new_data_layer.autoScale = this_new_layer.originalAutoScale;
new_data_layer.defaultMinScaleVal = this_new_layer.defaultMinScaleVal;
new_data_layer.defaultMaxScaleVal = this_new_layer.defaultMaxScaleVal;
new_data_layer.defaultStyle = this_new_layer.defaultStyle;
new_data_layer.log = this_new_layer.defaultLog;
new_data_layer.colorbands = this_new_layer.defaultColorbands;
new_data_layer.aboveMaxColor = this_new_layer.defaultAboveMaxColor;
new_data_layer.belowMinColor = this_new_layer.defaultBelowMinColor;
for (var key in this_new_layer.tags) {
var val = this_new_layer.tags[key];
if (val && val.length > 0 && val[0] !== "") {
new_data_layer.tags[key] = val;
} else {
new_data_layer.tags[key] = undefined;
}
}
if (server_info.provider.length > 0) {
new_data_layer.tags.data_provider = server_info.provider;
var clean_provider = server_info.provider.replace(/&/g, "and").replace(/ /g, "_").replace(/\\/g, "_").replace(/\//g, "_").replace(/\./g, "_").replace(/\,/g, "_").replace(/\(/g, "_").replace(/\)/g, "_").replace(/\:/g, "_").replace(/\;/g, "_");
data.options.providerShortTag = clean_provider;
}
new_data_layer.tags.niceName = this_new_layer.nice_name;
new_data_layer.LegendSettings = this_new_layer.legendSettings;
new_data.push(new_data_layer);
found = true;
break;
}
}
if (!found) {
console.log(this_new_layer.original_name + " is currently not included.");
}
}
}
// Adds all of the broader information to the JSON object.
data.server.Layers = settingsApi.sortLayersList(new_data, "Title");
if (server_info) {
if (!data.contactInfo) {
data.contactInfo = {};
}
data.contactInfo.address = server_info.address.replace("\n", "<br/>") || "";
data.contactInfo.email = server_info.email || "";
data.contactInfo.person = server_info.person || "";
data.contactInfo.phone = server_info.phone || "";
data.contactInfo.position = server_info.position || "";
}
data.wcsURL = server_info.wcsURL || "";
fs.writeFileSync(save_path, JSON.stringify(data));
res.send("");
} else {
res.send("Error");
}
};
settings.load_data_values = function(req, res) {
var queryUrl = req.query.url; // Gets the given URL
var queryObject = url.parse(queryUrl, true).query;
var name = req.query.name; // Gets the given name
var units = req.query.units; // gets the given units
var scaleMinMax;
try {
scaleMinMax = queryObject['COLORSCALERANGE'].split(',').map(Number);
} catch(e) {
scaleMinMax = [0, 0];
}
if (units == "undefined"){
units = "";
}
request(queryUrl + '&INFO_FORMAT=text/xml', function(err, response, body) {
if (err) {
utils.handleError(err, res);
} else {
var content_type = response.headers['content-type'];
var response_text = name + " N/A";
if (content_type == 'application/xml;charset=UTF-8') {
xml2js.parseString(body, {
tagNameProcessors: [settingsApi.stripPrefix],
attrNameProcessors: [settingsApi.stripPrefix]
}, function(err, result) {
if (err) {
utils.handleError(err, res);
} else {
try {
valueReturnedFromFeatureInfo = result.FeatureInfoResponse.FeatureInfo[0].value[0]
if (valueReturnedFromFeatureInfo < 1){
response_text = name + "</br> " + Number(valueReturnedFromFeatureInfo).toPrecision(4) + " " + units;
} else if (valueReturnedFromFeatureInfo < 10){
response_text = name + "</br> " + Math.round(valueReturnedFromFeatureInfo*1000)/1000 + " " + units;
} else if (valueReturnedFromFeatureInfo < 100){
response_text = name + "</br> " + Math.round(valueReturnedFromFeatureInfo*100)/100 + " " + units;
} else {
response_text = name + "</br> " + Math.round(valueReturnedFromFeatureInfo*10)/10 + " " + units;
}
} catch (e) {
response_text = name + "</br>N/A";
}
res.send(response_text);
}
});
} else {
request(queryUrl, function(err, response, body) {
if (err) {
utils.handleError(err, res);
} else {
content_type = response.headers['content-type'].replace(';charset=UTF-8', '');
if (content_type == "text/xml") {
xml2js.parseString(body, {
tagNameProcessors: [settingsApi.stripPrefix],
attrNameProcessors: [settingsApi.stripPrefix]
}, function(err, result) {
if (err) {
utils.handleError(err, res);
} else {
var output = name + ":";
try {
for (var key in result.FeatureInfoResponse.FIELDS[0].$) {
output += "<br/>" + key + ": " + result.FeatureInfoResponse.FIELDS[0].$[key];
}
} catch (e) {
output += "<br/>no data found at this point";
}
response_text = output;
}
});
} else if (content_type == "text/plain" || content_type == "text/html") {
response_text = name + ":<br/>" + body.replace(/(?:\r\n|\r|\n)/g, '<br />');
}
res.send(response_text);
}
});
}
}
});
};
settings.load_new_wms_layer = function(req, res) {
// var url = req.query.url.replace(/\?/g, "") + "?"; // Gets the given url
var url = req.query.url;
var refresh = (req.query.refresh == 'true'); // Gets the given refresh
var domain = utils.getDomainName(req); // Gets the given domain
settingsApi.load_new_wms_layer(url, refresh, domain, function(err, data) {
if (err) {
utils.handleError(err, res);
} else {
if (data !== null) {
res.send(data);
} else {
res.send({
"Error": "Could not find any loadable layers in the <a href='" + url + "service=WMS&request=GetCapabilities'>WMS file</a> you provided"
});
}
}
});
};
settings.create_share = function(req, res) {
var data = req.body;
var shasum = crypto.createHash('sha256');
shasum.update(Date.now().toString());
var shareId = shasum.digest('hex').substr(0, 6);
client.set("share_" + shareId, data.state, function(err) {});
res.send(shareId);
};
settings.get_share = function(req, res) {
var shareId = req.query.id; // Gets the given shareId
client.get("share_" + shareId, function(err, data) {
if (err) {
res.status(500).send();
} else {
res.send(data);
}
});
};
settings.get_markdown_metadata = function(req, res) {
var markdown = require("node-markdown").Markdown;
var domain = utils.getDomainName(req);
var data = req.body; // Gets the data
var tags = data.tags;
var order = data.order;
var html = "";
var markdown_folder_path = path.join(MASTER_CONFIG_PATH, domain, "markdown");
var markdown_file_path;
var markdown_data;
var html_data;
function addMarkdown(tagName, deleteAfter) {
if (tags[tagName] === undefined) {
return false;
}
if (typeof(tags[tagName]) != "object") {
tags[tagName] = [tags[tagName]];
}
for (var tag_name in tags[tagName]) {
markdown_file_path = path.join(markdown_folder_path, tagName, tags[tagName][tag_name].toLowerCase().replace(/\//g, "_") + ".md");
if (utils.fileExists(markdown_file_path)) {
markdown_data = fs.readFileSync(markdown_file_path).toString();
html_data = markdown(markdown_data, true, null, {
"a": "href|target"
});
html += html_data;
}
}
if (deleteAfter === true) {
delete tags[tagName];
}
}
var tag;
if (order) {
for (tag in order) {
addMarkdown(order[tag], true);
}
}
for (tag in tags) {
addMarkdown(tag, false);
}
res.send(html);
};
settings.save_walkthrough = function(req, res) {
var walkthrough = req.body; // Gets the given walkthrough
var domain = utils.getDomainName(req); // Gets the domain
var username = walkthrough.owner; // Gets the given owner
var permission = user.getAccessLevel(req, domain);
var overwrite = walkthrough.overwrite;
// Makes sure the user is an admin if they are trying to overwrite a walkthrough
if (permission != "admin") {
overwrite = false;
}
var filename = walkthrough.title + '_walkthrough.json';
var save_path;
if (domain == username) {
// If is is a global file
save_path = path.join(MASTER_CONFIG_PATH, domain, filename);
} else {
// If it is to be a user file
save_path = path.join(MASTER_CONFIG_PATH, domain, USER_CACHE_PREFIX + username, filename);
}
if (utils.fileExists(save_path) && !overwrite) {
return res.status(400).send('Filename Taken');
}
fs.writeFileSync(save_path, JSON.stringify(walkthrough));
res.status(200).send({
success: true
});
};