110 lines
3.5 KiB
Django/Jinja
110 lines
3.5 KiB
Django/Jinja
export default { enforce };
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function log(c, s){
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c.request.error(s)
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}
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function debug(c, s){
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return true ? c.request.error(s) : null
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}
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function enforce(r) {
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var context = {
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request: r
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}
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var allowedcontexts = ["{{ sobigdata_rel_authorized_scopes }}"]
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log(context, "Inside NJS enforce for " + r.method + " @ " + r.headersIn.host + "/" + r.uri)
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const token = getGCubeToken(context)
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if(token != null){
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debug(context, "[PEP] token is " + token)
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exportVariable(context, "auth_token", token)
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context.request.subrequest("/gcube_user_info")
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.then(reply=>{
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if (reply.status === 200) {
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debug(context, "[Social Service] got response " + reply.responseBody)
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var response = JSON.parse(reply.responseBody);
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if(allowedcontexts.indexOf(response.result.context) === -1){
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debug(context, "[PEP] Unathorized context " + response.result.context)
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throw new Error("Unauthorized")
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}
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return response
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} else {
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debug(context, "[Social Service] failed " + reply.status + ":" + reply.responseBody)
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throw new Error("Unauthorized")
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}
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}).then(userinfo => {
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debug(context, "[Social Service] username is " + userinfo.result.username)
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context.userinfo = userinfo
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context.record = buildAccountingRecord(context)
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return context.request.subrequest("/_backend", { method : context.request.method, args : context.request.args, headers : context.request.headersIn})
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}).then(reply=>{
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debug(context, "[REL] response status: " + reply.status)
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closeAccountingRecord(context.record, (reply.status === 200 || reply.status === 201 || reply.status === 204))
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context.request.subrequest("/_accounting", { detached : true, body : JSON.stringify(context.record) })
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r.return(reply.status, reply.responseBody)
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}).catch(e => { log(context, "Error .... " + njs.dump(e)); context.request.return(e.message === "Unauthorized" ? 403 : 500)} )
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return
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}
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r.return(401, "Authorization required")
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}
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function getGCubeToken(context){
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if(context.request.args.token){
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return context.request.args.token;
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}else if (context.request.headersIn['gcube-token']){
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return context.request.headersIn['gcube-token'];
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}
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return null;
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}
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function buildAccountingRecord(context){
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const t = (new Date()).getTime()
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return {
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"recordType": "ServiceUsageRecord",
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"operationCount": 1,
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"creationTime": t,
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"callerHost": context.request.remoteAddress,
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"serviceClass": "Application",
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"callerQualifier": "TOKEN",
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"consumerId": context.userinfo.result.username,
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"aggregated": true,
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"serviceName": "REL",
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"duration": 0,
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"maxInvocationTime": 0,
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"scope": "{{ sobigdata_rel_authorized_scopes }}",
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"host": "{{ sobigdata_rel_service_host }}",
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"startTime": t,
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"id": uuid(),
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"calledMethod": context.request.method + " " + context.request.uri,
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"endTime": 0,
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"minInvocationTime": 0,
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"operationResult": null
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}
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}
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function closeAccountingRecord(record, success){
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const t = (new Date()).getTime()
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record.duration = t - record.startTime
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record.endTime = t
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record.minInvocationTime = record.duration
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record.operationResult = success ? "SUCCESS" : "FAILED";
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}
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function uuid() {
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return 'xxxxxxxx-xxxx-4xxx-8xxx-xxxxxxxxxxxx'.replace(/[x]/g, function (c) {
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const r = Math.random() * 16 | 0, v = c == 'x' ? r : (r & 0x3 | 0x8);
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return v.toString(16);
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});
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}
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function exportVariable(context, name, value){
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context.request.variables[name] = value
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return context
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}
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