2nd

2025-09-11 20:50:34 +00:00
parent 500166b0bc
commit de69b3d4de
18 changed files with 2427 additions and 0 deletions
@@ -0,0 +1,110 @@
+module.exports.methods = {
+
+    /*  Request:
+        {
+            "action": "SET"
+            "payload": {
+                "key": "keyname",
+                "value": "stringifiedvalue", // If null : deletes the key
+                "expire": 60 // if present & non zero, expires the key in x seconds.
+                             // if absent or zero, we force a TTL of 2 years = 63072000 sec.
+                "observe": true // if true: make it an observable key & subscribe to it
+            }
+            "reqid": "6az5e4r6a"
+        }
+        Reply:
+        {
+            "action":"SET",
+            "success":true,
+            "reqid": reqid
+        }
+    */
+    async action_SET(action, payload, reqid){
+        //TODO : observable...
+        if((typeof(payload)!='object') || (typeof(payload.key)!='string') ||
+           ((typeof(payload.value)!='object') && (payload.value!==null)) || 
+           (payload.expire && (typeof(payload.expire)!='number')) ||
+           (payload.observe && (typeof(payload.observe)!='boolean'))
+           ){
+            this.sendErr(action, 'Invalid payload', reqid)
+            return
+        }
+
+        if(!this.accessRights.canSet(this.userId, this.roles, payload.key)){
+            this.sendErr(action, 'Unauthorized key !', reqid);
+            return
+        }
+
+        if(payload.value) {
+            let val = null
+            try { val = JSON.stringify(payload.value)}
+            catch(err) { 
+                this.sendErr(action, 'Cannot stringify value object !', reqid);
+                return
+             }
+            if(val.length > this.config.redis.storeMaxSize){
+                this.sendErr(action, 'value too large !', reqid);
+                return
+            }
+            let exp = ((payload.expire>0) &&  (payload.expire<63072000)) ? payload.expire : 63072000        
+            await this.rediscnx.redisSet(payload.key, val, exp, this.config.redis.storePrefix)
+        } else {
+            await this.rediscnx.redisDel(payload.key, this.config.redis.storePrefix)
+        }
+        var reply = {
+            'action': action,
+            'success': true,
+        };
+        if(reqid) reply.reqid = reqid;
+        this.send(JSON.stringify(reply));
+    },
+
+    /*  Request:
+        {
+            "action": "GET"
+            "payload": {
+                "key": "keyname"
+            }
+            "reqid": "6az5e4r6a"
+        }
+        Reply:
+        {
+            "action":"GET",
+            "success":true,
+            "payload": {
+                "key" : key,
+                "value": value
+            }
+            "reqid": reqid
+        }
+    */
+    async action_GET(action, payload, reqid){
+        //TODO : observable...
+        if((typeof(payload)!='object') || (typeof(payload.key)!='string')){
+            this.sendErr(action, 'Invalid payload', reqid);
+            return;
+        };
+
+        if(!this.accessRights.canGet(this.userId, this.roles, payload.key)) {
+            this.sendErr(action, 'Unauthorized key !', reqid);
+            return
+        }
+
+        let rawVal = await this.rediscnx.redisGet(payload.key, this.config.redis.storePrefix)
+        let val = null
+        try { val = JSON.parse(rawVal)}
+        catch(err) { console.error('Action GET: Not a json !? ', rawVal) }    
+        var reply = {
+            'action': action,
+            'payload': {
+                    'key': payload.key,
+                    'value': val
+                },
+            'success': true,
+        };
+        if(reqid) reply.reqid = reqid;
+        this.send(JSON.stringify(reply));
+    }
+    
+
+}