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old-service.js
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/*
* Copyright 2014 IBM Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* server.js is Express middleware that handles HTTP requests for OSLC resources.
*/
var express = require('express');
var fs = require('fs');
var path = require("path");
var http = require('http');
var https = require('https');
/*
var rawBody = function(req, res, next) {
req.rawBody = '';
req.setEncoding('utf8');
req.on('data', function(chunk) {
req.rawBody += chunk;
});
req.on('end', function() {
next();
});
}*/
/*
* Middleware to handle all OSLC requests
*/
var oslcRoutes = function(env) {
var ldp = require('./vocab/ldp.js'); // LDP vocabulary
var rdf = require('./vocab/rdf.js'); // RDF vocabulary
var oslc = require('./vocab/oslc.js');
var json = require('./jsonld.js');
var turtle = require('./turtle.js');
var crypto = require('crypto'); // for MD5 (ETags)
var ldpService = require('../ldp-service-jena'); // OSLC is built on LDP. Uses the service that incorporates Apache Jena as the DB
var creation_dictionary = {}; // Stores the ResourceShapes associated with the Creation URI's for CreationFactories
var query_dictionary = {}; // Stores the ResourceShapes associated with the Query URI's for QueryCapabilities
var link = {};
var subApp = express();
// subApp.use(rawBody);
// anything those services don't handle will be passed to this service next
var resource = subApp.route(env.context+'*');
// route any requests matching the LDP context (defaults to /r/*)
resource.all(function(req, res, next) {
// all responses should have Link: <ldp:Resource> rel=type
var links = {};
for(key in link[req.originalUrl]){
links[key] = link[req.originalUrl][key];
}
next();
// Looks for the compact version of the resource. When a compact version doesn't exist,
// It gives a 500 error and the code stops
/*
ldpService.db.get(req.originalUrl+"?compact", "application/ld+json", function(err, ires){
console.log("RESPONSE " + ires.statusCode);
if(ires.statusCode === 200){
links[oslc.Compact] = req.originalUrl+"?compact";
}
// also include implementation constraints
res.links(links);
});
*/
});
subApp.get('/properties', function(req, res, next){
console.log("PROPERTIES");
var properties = getProperties(req.body);
res.send(properties);
});
function getProperties(file_name){
ldpService.db.get(file_name, "application/ld+json", function(err, ires){
var shape = ires.body;
var properties = [];
for(var i = 0; i < shape.length; i++){
if(shape[i]["@id"] === oslc.Property){
properties.add(shape[i]["name"]);
}
}
return properties;
});
}
resource.options(function(req, res, next) {
console.log('OSLC OPTIONS request on:'+req.path);
next();
});
resource.head(function(req, res, next) {
console.log('OSLC HEAD request on:'+req.path);
next();
});
resource.post(function(req, res, next) {
console.log('OSLC POST request on:'+req.path);
var shape_to_get = creation_dictionary[req.originalUrl];
console.log(JSON.stringify(req.body));
// Not right... should have a shape that corresponds with a compact resource
if(req.baseUrl.includes("?compact")){
ldpService.db.put(req.baseUrl, req.body, "application/ld+json", function(err, ires){
if(err){
res.sendStatus(500);
}
if(ires.statusCode === 200){
res.sendStatus(200);
}else{
res.sendStatus(ires.statusCode);
}
return;
});
}
check(req, res, shape_to_get, function(result){
console.log("HERE " + result);
if(result.error){
res.sendStatus('500');
}else if(result.problems.length > 0){
console.log("Not correct format for the inputted resource");
res.sendStatus('400');
}
// console.log("EXECUTED9 " + next.stack);
next();
});
});
function check(req, res, shape_to_get, callback){
var content = {};
content.rawBody = JSON.stringify(req.body);
var index = 0;
var parse, serialize;
if(env.contentType === 'JSON'){
parse = json.parse;
}else{
parse = turtle.parse;
}
console.log(req.body);
console.log(content.rawBody);
parse(content, '', function(err, triples){
if(err){
console.log(err.stackCode);
callback([err, false]);
}
var errors_to_report = new Array();
//var file = JSON.parse(fs.readFileSync("../oslc-service/shape-files/"+req.originalUrl+".json", 'utf8'));
ldpService.db.get(shape_to_get, "application/ld+json", function(err, ires){
preProcessVerifyShape(JSON.parse(ires.body), triples, req, callback);
});
});
}
function preProcessVerifyShape(file, triples, req, callback){
errors_to_report = verifyShape(file, triples, req);
var results = {};
console.log("Errors: " + errors_to_report + " " + errors_to_report.length);
if(errors_to_report.length > 0){
results.error = null;
results.problems = errors_to_report;
callback(results);
return;
}
results.error = null;
results.problems = [];
callback(results);
}
function verifyShape(shape_info, content, req){
var shape = shape_info["@graph"];
var errors = [];
// var base_uri_shape = "https://tools.oasis-open.org/version-control/svn/oslc-core/trunk/specs/shapes/";
// base_uri_shape+shape+"-shape.ttl#dcterms-title"
// Every time return false is written that means append problem to a list
console.log(content);
for(var i = 0; i < shape.length; i++){
console.log(shape[i]["@id"]);
console.log(shape[i]["@type"]);
var resource_type_found = false;
// Not checking 'describes' correctly, need to fix
/*
if(shape[i]["@type"] === "oslc:ResourceShape"){
for(var j = 0; j < content.length; j++){
console.log(content[j].predicate);
if(content[j].predicate === oslc.Type){
console.log("True");
if(content[j].object === shape[i]["describes"]){
resource_type_found = true;
}
}
}
if(!resource_type_found){
errors.push("Describes is " + shape[i]["describes"]);
}
}
*/
if(shape[i]["@type"] === "oslc:Property"){
var found = false;
for(var k = 0; k < content.length; k++){
if(content[k].predicate === oslc.oslc+shape[i]["name"] || content[k].predicate === "http://purl.org/dc/terms/"+shape[i]["name"]){
found = true;
var expression = new RegExp("(^(http|https)://www.)(\\w+).(\\w+$)");
if(shape[i]["oslc:readOnly"]){
if(shape[i]["oslc:readOnly"] === true && (req.method === "PUT" || req.method === "PATCH")){
errors.push(shape[i]["name"] + ": readOnly is " + shape[i]["oslc:readOnly"]);
}
}
if(shape[i]["occurs"]){
if(shape[i]["occurs"] === "oslc:Zero-or-one" || shape[i]["occurs"] === "oslc:Exactly-one"){
for(var z = k+1; z < content.length; z++){
console.log(z + " " + oslc.oslc+shape[i]["name"]);
if(content[z].predicate === oslc.oslc+shape[i]["name"]){
errors.push(shape[i]["name"] + ": occurs is " + shape[i]["occurs"]);
break;
}
}
}
}
if(shape[i]["valueType"]){
for(var z = k; z < content.length; z++){
if(content[z].predicate === oslc.oslc+shape[i]["name"]){
if((!shape[i]["valueType"].includes(typeof content[z].object)) && (!expression.test(content[z].object) && shape[i]["valueType"] === oslc.Resource) && (!expression.test(content[z].object) && shape[i]["valueType"] === oslc.LocalResource)){
errors.push(shape[i]["name"] + ": valueType is " + shape[i]["valueType"]);
}
}
}
}
if(shape[i]["maxSize"]){
for(var z = k+1; z < content.length; z++){
if(content[z].predicate === oslc.oslc+shape[i]["name"]){
if(typeof content[z].object === 'string'){
if(expression.test(content[z].object)){
continue;
}else if(content[z].object.length > shape[i]["maxSize"]){
errors.push(shape[i]["name"] + ": maxSize is " + shape[i]["maxSize"]);
}
}else{
if(content[z].object > shape[i]["maxSize"]){
errors.push(shape[i]["name"] + ": maxSize is " + shape[i]["maxSize"]);
}
}
}
}
}
if(shape[i]["representation"]){
for(var z = k; z < content.length; z++){
if(content[z].predicate === oslc.oslc+shape[i]["name"]){
if(content[z].object.includes("_b") && shape[i]["representation"] === oslc.Reference){
errors.push(shape[i]["name"] + ": representation is " + shape[i]["representation"]);
}else if(!expression.test(content[z].object) && shape[i]["representation"] === oslc.Reference){
errors.push(shape[i]["name"] + ": representation is " + shape[i]["representation"]);
}else if(content[z].object.includes("_b") && shape[i]["representation"] === oslc.Inline){
var blank_node_triple = getBlankTripleType(content, content[z].object);
if(blank_node_triple.object !== oslc.oslc+shape[i]["range"]){
errors.push(shape[i]["name"] + ": range is" + shape[i]["range"]);
}
}
}
}
}
}
}
if(!found){
if(shape[i]["occurs"] === "oslc:Exactly-one" || shape[i]["occurs"] === "oslc:One-or-many"){
errors.push(shape[i]["name"] + ": occurs is " + shape[i]["occurs"]);
}
}
}
}
return errors;
}
var resource_uri = undefined;
subApp.get('/ResourceInfo', function(req, res) {
ldpService.db.get(resource_uri, "application/ld+json", function(err, ires){
res.sendJSON(ires.body);
});
});
// Used for initializing Selection Dialog
subApp.get('/all', function(req, res){
// Need to remove SPARQL, how to populate the Selection Dialog
var node = Node("=", Node("oslc.select", null, null), Node("*", null, null));
ldpService.db.query(node, "", function(err, ires){
res.set({'Access-Control-Allow-Origin': '*'});
res.json(ires.body);
});
});
resource.get(function(req, res, next) {
console.log('OSLC GET request on:'+req.path);
console.log(req.originalUrl);
// Implements UI Preview
if(req['Accept'] === 'application/x-oslc-compact+json'){
var compact = {};
ldpService.db.get(req.originalUrl, "application/ld+json", function(err, ires){
compact.title = JSON.parse(ires.body)["name"];
compact.smallPreview = {};
compact.largePreview = {};
compact.smallPreview.hintWidth = "45ex";
compact.smallPreview.hintHeight = "20ex";
compact.document = req.baseUrl+"?preview=small";
compact.largePreview.hintWidth = "60ex";
compact.largePreview.hintHeight = "30ex";
compact.document = req.baseUrl+"?preview=large";
res.body = compact;
// Set header to be JSON
res.sendStatus(200);
});
}else if(req.originalUrl.includes("?preview=large")){
resource_uri = req.originalUrl.substring(0, req.originalUrl.indexOf('?'));
res.set('Content-Type', 'text/html');
res.send(path.resolve("./preview/preview-large.html"));
}else if(req.originalUrl.includes("?preview=small")){
resource_uri = req.originalUrl.substring(0, req.originalUrl.indexOf('?'));
res.set('Content-Type', 'text/html');
res.send(path.resolve("./preview/preview-small.html"));
}else if(req.originalUrl.includes("/selection-dialog")){
res.set('Content-Type', 'text/html');
res.send(path.resolve("./dialog/dialog-select.html"));
}else if(req.originalUrl.includes("/creation-dialog")){
console.log("CREATION");
res.set('Content-Type', 'text/html');
console.log(path.resolve("./dialog/dialog-create.html"));
res.sendFile(path.resolve("./dialog/dialog-create.html")); // Sends the contents of the file, so the HTML
}else if(req.originalUrl.includes("?")){
var base = req.originalUrl.substring(0, req.originalUrl.indexOf('?'));
// Need to replace '/' w/ %2F to be in compliance w/ URI
console.log("QUERY BASE " + base);
var decode = decodeURIComponent(req.originalUrl);
file_name = query_dictionary[base];
console.log(file_name);
if(file_name === undefined){
queryResource(null, base, decode, req, res);
}else{
ldpService.db.get(file_name, "application/ld+json", function(err, ires){
queryResource(JSON.parse(ires.body), base, decode, req, res);
});
}
}else{
next();
}
});
function validResource(shape, resource){
for(var i = 0; i < shape; i++){
if(shape[i]["@type"] === oslc.Property){
if(shape[i]["name"] === resource){
return true;
}
}
}
return false;
}
/*
Example queries:
http://localhost:3000/res?oslc.where=dcterms:title="hello" and created="08-09-2014"
http://example.com/bugs?oslc.where=cm:severity="high" and dcterms:created>"2010-04-01"
http://example.com/bugs?oslc.select=dcterms:created,dcterms:creator{foaf:familyName}&oslc.where=cm:severity="high"
*/
function queryResource(shape, base, decode, req, res){
console.log("QUERY");
class Node {
constructor(val, left, right){
this.val = val;
this.left = left;
this.right = right;
}
}
var query = decode.substring(decode.indexOf('?')+1, decode.length);
var node = null;
var oslc_node = null
var amp_node = null
var curl_node_stack = new Array();
var index = 0;
for(var i = 0; i < query.length; i++){
// <, > not implemented due to issues with PREFIX
if(query.charAt(i) === '='){
var val_one = query.substring(index, i);
console.log("FIRST VAL " + val_one);
if(val_one === "oslc.where" || val_one === "oslc.select" || val_one === "oslc.prefix"){
if(amp_node){
amp_node.right = new Node(query.charAt(i), new Node(val_one, null, null), null);
node = amp_node.right;
}else{
node = new Node(query.charAt(i), new Node(val_one, null, null), null);
}
oslc_node = node;
console.log(oslc_node);
index = i+1;
}else{
/* if(!validResource(shape, val_one)){
res.sendStatus(400);
}*/
index = i;
while(query.charAt(index) !== '&' && query.charAt(index) !== ' ' && query.charAt(index) !== ',' && index < query.length){
index++;
}
var val_two = query.substring(i+1, index);
console.log("VAL TWO " + val_two);
var tmp = new Node(query.charAt(i), new Node(val_one, null, null), new Node(val_two, null, null));
if(query.charAt(i+val_two.length+1) === ' '){
if(query.substring(i+val_two.length+2, i+val_two.length+5) === "and"){
and_node = new Node("and", tmp, null);
node.right = and_node;
i += (val_two.length+5);
node = node.right;
}
}else{
node.right = tmp;
}
}
}
// Attempting to check if the following string is a URI when looking at oslc.prefix
if(query.charAt(i) === '<' || query.charAt(i) === '>'){
if(query.charAt(i+1) === '"' || query.charAt(i+2) === '"'){
var val_one = query.substring(index, i);
// if(!validResource(shape, val_one)){
// res.sendStatus(400);
// }
index = i;
while(query.charAt(index) !== '&' && query.charAt(index) !== ' ' && query.charAt(index) !== ',' && index < query.length){
index++;
}
var val_two;
if(query.charAt(i+1) === '='){
val_two = query.substring(i+2, index);
}else{
val_two = query.substring(i+1, index);
}
console.log("VAL TWO " + val_two);
var tmp;
if(query.charAt(i+1) === '=' && (query.charAt(i) === '>' || query.charAt(i) === '<')){
tmp = new Node(query.substring(i, i+2), new Node(val_one, null, null), new Node(val_two, null, null));
}else{
tmp = new Node(query.charAt(i), new Node(val_one, null, null), new Node(val_two, null, null));
}
if(query.charAt(i+val_two.length+1) === ' '){
if(query.substring(i+val_two.length+2, i+val_two.length+5) === "and"){
and_node = new Node("and", tmp, null);
node.right = and_node;
i += (val_two.length+5);
node = node.right;
}
}else{
node.right = tmp;
}
}
}
if(query.charAt(i) === '&'){
if(oslc_node.left.val === "oslc.select"){
node.right = new Node(query.substring(index, i), null, null);
}
if(amp_node === null){
left_node = oslc_node;
console.log("LEFT NODE");
console.log(left_node);
node = new Node('&', left_node, null);
amp_node = node;
}else{
amp_node = new Node('&', amp_node, null);
}
index = i+1;
}
// Unfinished. Does not take into account ',' within a {}
/*
if(query.charAt(i) === '{'){
open_paran_node = new Node('{', new Node(query.substring(index, i), null, null), new Node('}', null, null));
curl_nodes.push(open_paran_node);
pre_curl_node = node;
node = open_paran_node;
}
if(query.charAt(i) === '}'){
ret_node = curl_nodes.pop();
if(curl_nodes.length === 0){
pre_curl_node.right = ret_node;
node = pre_curl_node.right;
}else{
curl_nodes[curl_nodes.length-1].right.left = ret_node;
}
}
*/
if(query.charAt(i) === ','){
var val = query.substring(index, query.charAt(i));
comma_node = new Node(',', val, null);
node.right = comma_node;
node = node.right;
index = i+1;
}
}
if(amp_node){
console.log("NODE");
console.log(amp_node);
console.log(oslc_node);
ldpService.db.query(amp_node, function(err, ires){
if(err){
console.error(err.stack);
res.sendStatus(500);
}
});
}else{
console.log("NODE");
console.log(oslc_node);
ldpService.db.query(oslc_node, base, function(err, ires){
if(err){
console.error(err.stack);
res.sendStatus(500);
}
});
}
// Code below directly translated OSLC Query to SPARQL, defunct
// Because it only works with Apache Jena or other DB that supports SPARQL
/*
if(query.includes("oslc.prefix")){
index = query.indexOf("oslc.prefix")+"oslc.prefix".length+1;
for(var i = index; i < query.length && query.charAt(i) !== '&'; i++){
if(query.charAt(i) === '=' || query.charAt(i) === '>' || query.charAt(i) === '<'){
var resource = query.substring(index, i);
index_follow = i+1;
// check if param is valid
// http://example.com/bugs?oslc.where=cm:severity="high" and dcterms:created>"2010-04-01"
while(query.charAt(index_follow) != '&' && index_follow < query.length && query.charAt(index_follow) != ',' && query.charAt(index_follow) != '}'){
index_follow++;
}
sparql_query_prefix+="PREFIX "+resource+": " + query.substring(i+1, index_follow)+" ";
if(query.charAt(index_follow) === '&'){
break;
}
i = index_follow;
index = i+1;
}
}
}
if(query.includes("oslc.select")){
index = query.indexOf("oslc.select")+"oslc.select=".length;
var stack = new Array(); // Used to add to WHERE clause if there are nested properties
var open_curl = 0;
var close_curl = 0;
stack.push("?s");
var resource = "";
for(var i = index+1; i < query.length && query.charAt(i) !== '&'; i++){
if(query.charAt(i) === ','){
resource = query.substring(index, i);
// Check shape to see if resource is valid
//if(validResource(shape, resource)){
sparql_query_select += "?"+resource.replace(':','_')+" ";
sparql_query_where += stack[stack.length-1] + " " + resource + " ?" + resource.replace(':', '_') + " . ";
index = i;
//}else{
// return;
//}
// End check
// http://localhost:3000/r/tasks?oslc.prefix%3Dcm%3D%3Chttp%3A%2F%2Fqm.example.com%2Fns%3E%2Cdcterms%3D%3Chttp%3A%2F%2Fdcterms.example.com%3E%26oslc.select%3Ddcterms%3Acreated%2Cdcterms%3Acreator%26oslc.where%3Dcm%3Aseverity%3D%22high%22
// check if param is valid
//
// SELECT ?dcterms:created, ?foaf:familyName WHERE GRAPH ?g {?s cm:severity "high". ?s dcterms:created ?dcterms:created. ?s dcterms:creator ?dcterms:creator. ?dcterms:creator foaf:familyName ?foaf:familyName}
//
}
// Check that # of '{' === # of '}'
// Assumption is that there needs to be a resource before the nested property in order to use it
if(query.charAt(i) === '{'){
if(query.charAt(i+1) === '{'){
console.error("No identifiable property for the nested property");
res.send("401");
}
resource = query.substring(index, i).replace(':','_');
index = i;
stack.push("?"+resource);
}
if(query.charAt(i) === '}'){
if(stack[stack.length-1] !== "?s"){
resource = query.substring(index, i);
sparql_query_select += " ?"+resource;
sparql_query_where += stack[stack.length-1] + " " + resource + " ?" + resource.replace(':','_');
stack.pop();
index = i;
}
}
}
if(open_curl > close_curl || close_curl > open_curl){
console.error("Invalid query request");
res.send("401");
}
}
if(query.includes("oslc.where")){
var index = query.indexOf("oslc.where")+"oslc.where=".length;
var index_follow;
var filters = [];
console.log(index);
for(var i = index; i < query.length && query.charAt(i) !== '&'; i++){
if(query.charAt(i) === '=' || query.charAt(i) === ' ' || query.charAt(i) === '<' || query.charAt(i) === '>' || query.charAt(i) === '!'){
console.log(query.charAt(i));
var resource = query.substring(index, i);
//if(validResource(shape, resource)){
index_follow = i;
//}else{
// return;
//}
// check if param is valid
// http://example.com/bugs?oslc.where=cm:severity="high" and dcterms:created>"2010-04-01"
// oslc.prefix=cm=<http://qm.example.com/ns>,dcterms=<http://dcterms.example.com>&oslc.select=dcterms:created,dcterms:creator&oslc.where=cm:severity="high"&oslc.orderBy=-dcterms:created
// oslc.prefix%3Dcm%3D%3Chttp%3A%2F%2Fqm.example.com%2Fns%3E%2Cdcterms%3D%3Chttp%3A%2F%2Fdcterms.example.com%3E%26oslc.select%3Ddcterms%3Acreated%2Cdcterms%3Acreator%26oslc.where%3Dcm%3Aseverity%3D%22high%22%26oslc.orderBy%3D-dcterms%3Acreated
while(query.charAt(index_follow) != '&' && index_follow < query.length && query.charAt(index_follow) != ' ' && query.charAt(index_follow) != '}'){
index_follow++;
}
if(!sparql_query_where.includes("?s " + resource + " " + query.substring(i+1, index_follow) + " . ")){
sparql_query_where+="?s " + resource + " " + query.substring(i+1, index_follow) + " . ";
}
/*
if a comparison is in use other than =
if(!sparql_query_where.includes("?s " + resource + " " + query.substring(i+1, index_follow) + " . ")){
sparql_query_where+="?s " + resource + " " + resource.replace(':','_') + " . ";
}
filter.push(resource.replace(':','_')+query.charAt(i)+query.substring(i+1, index_follow));
if(query.charAt(index_follow) === '&'){
break;
}
i = index_follow;
index = i;
}
if(query.charAt(i) === ' '){
if(query.substring(i+1, i+4) === "and"){
i+=5;
index = i;
}
}
if(query.charAt(i) === '{'){
var resource = query.substring(index, i).replace(':','_');
//if(validResource(shape, resource)){
sparql_query_where += "?s " + resource + " ?o . ";
// do recursion, but utnil '}' is executed, return last index
index = i+1;
//}else{
// return;
//}
}
}
if(filter.length > 0){
sparql_query_where+="FILTER "+filter[0];
for(var i = 1; i < filter.length; i++){
sparql_query_where+=" && "+filter[i];
}
}
sparql_query_where += "} } ";
}
if(query.includes("oslc.orderBy")){
console.log("ORDER BY");
sparql_query_orderBy += "ORDER BY ";
var index = query.indexOf("oslc.orderBy")+"oslc.orderBy=".length;
var index_follow;
for(var i = index; i < query.length && query.charAt(i) !== '&'; i++){
if(query.charAt(i) === '+'){
index = i;
while(index != ',' && index != '}' && index != '&' && index < query.length){
index++;
}
sparql_query_orderBy += "ASC(?" + query.substring(i+1, index).replace(':','_') + ") ";
i = index;
}else if(query.charAt(i) === '-'){
index = i;
while(index != ',' && index != '}' && index != '&' && index < query.length){
index++;
}
sparql_query_orderBy += "DESC(?" + query.substring(i+1, index).replace(':','_') + ") ";
i = index;
}else{
if(query.charAt(i) === '{'){
index = i+1;
}
if(query.charAt(i) === ','){
sparql_orderBy += "?"+query.substring(index, i).replace(':','_')+" ";
index = i;
}
}
}
}
console.log("SPARQL FORMATION COMPLETE");
console.log(sparql_query_prefix + sparql_query_select + sparql_query_where + sparql_query_orderBy);
console.log(encodeURIComponent(sparql_query_prefix + sparql_query_select + sparql_query_where + sparql_query_orderBy));
var result = function(results){
}
ldpService.db.query(encodeURIComponent(sparql_query_prefix + sparql_query_select + sparql_query_where + sparql_query_orderBy), function(err, ires){
console.log(ires.body);
console.log(typeof ires.body);
if(query.includes("oslc.searchTerms") && !query.includes("oslc.select")){ // Can SELECT be used w/ SearchTerms
var terms = {};
var index = query.indexOf("oslc.searchTerms")+"oslc.searchTerms".length;
var i;
for(i = 0; i < query.length && !query.indexOf('&'); i++){
if(query.charAt(i) === ','){
terms[query.substring(index, i)] = 0;
index = i;
}
}
var count = 0;
var info = JSON.parse(ires.body)["results"]["bindings"];
// [0]["g"]["value"];