STEINNI
110 lines
3.5 KiB
JavaScript
110 lines
3.5 KiB
JavaScript
export const methods = {
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/* Request:
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{
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"action": "SET"
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"payload": {
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"key": "keyname",
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"value": "stringifiedvalue", // If null : deletes the key
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"expire": 60 // if present & non zero, expires the key in x seconds.
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// if absent or zero, we force a TTL of 2 years = 63072000 sec.
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"observe": true // if true: make it an observable key & subscribe to it
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}
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"reqid": "6az5e4r6a"
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}
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Reply:
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{
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"action":"SET",
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"success":true,
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"reqid": reqid
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}
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*/
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async action_SET(action, payload, reqid){
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//TODO : observable...
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if((typeof(payload)!='object') || (typeof(payload.key)!='string') ||
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((typeof(payload.value)!='object') && (payload.value!==null)) ||
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(payload.expire && (typeof(payload.expire)!='number')) ||
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(payload.observe && (typeof(payload.observe)!='boolean'))
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){
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this.sendErr(action, 'Invalid payload', reqid)
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return
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}
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if(!this.accessRights.canSet(this.userId, this.roles, payload.key)){
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this.sendErr(action, 'Unauthorized key !', reqid);
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return
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}
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if(payload.value) {
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let val = null
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try { val = JSON.stringify(payload.value)}
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catch(err) {
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this.sendErr(action, 'Cannot stringify value object !', reqid);
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return
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}
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if(val.length > this.config.redis.storeMaxSize){
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this.sendErr(action, 'value too large !', reqid);
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return
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}
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let exp = ((payload.expire>0) && (payload.expire<63072000)) ? payload.expire : 63072000
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await this.rediscnx.redisSet(payload.key, val, exp, this.config.redis.storePrefix)
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} else {
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await this.rediscnx.redisDel(payload.key, this.config.redis.storePrefix)
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}
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var reply = {
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'action': action,
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'success': true,
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};
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if(reqid) reply.reqid = reqid;
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this.send(JSON.stringify(reply));
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},
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/* Request:
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{
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"action": "GET"
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"payload": {
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"key": "keyname"
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}
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"reqid": "6az5e4r6a"
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}
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Reply:
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{
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"action":"GET",
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"success":true,
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"payload": {
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"key" : key,
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"value": value
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}
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"reqid": reqid
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}
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*/
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async action_GET(action, payload, reqid){
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//TODO : observable...
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if((typeof(payload)!='object') || (typeof(payload.key)!='string')){
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this.sendErr(action, 'Invalid payload', reqid);
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return;
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};
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if(!this.accessRights.canGet(this.userId, this.roles, payload.key)) {
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this.sendErr(action, 'Unauthorized key !', reqid);
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return
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}
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let rawVal = await this.rediscnx.redisGet(payload.key, this.config.redis.storePrefix)
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let val = null
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try { val = JSON.parse(rawVal)}
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catch(err) { console.error('Action GET: Not a json !? ', rawVal) }
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var reply = {
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'action': action,
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'payload': {
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'key': payload.key,
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'value': val
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},
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'success': true,
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};
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if(reqid) reply.reqid = reqid;
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this.send(JSON.stringify(reply));
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}
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} |