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https://github.com/Ylianst/MeshCentral.git
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Speed up GetNodeRights() using 10 second caching.
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parent
1f19ffe177
commit
42a0ff960b
31
webserver.js
31
webserver.js
@ -7249,17 +7249,39 @@ module.exports.CreateWebServer = function (parent, db, args, certificates, doneF
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return false;
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}
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var GetNodeRightsCache = {};
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var GetNodeRightsCacheCount = 0;
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// Return the user rights for a given node
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obj.GetNodeRights = function (user, mesh, nodeid) {
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if ((user == null) || (mesh == null) || (nodeid == null)) { return 0; }
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if (typeof user == 'string') { user = obj.users[user]; }
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if (user == null) { return 0; }
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var meshid;
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if (typeof mesh == 'string') { meshid = mesh; } else if ((typeof mesh == 'object') && (typeof mesh._id == 'string')) { meshid = mesh._id; } else return 0;
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// Check if we have this in the cache
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const cacheid = user._id + '/' + meshid + '/' + nodeid;
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const cache = GetNodeRightsCache[cacheid];
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if (cache != null) { if (cache.t > Date.now()) { return cache.o; } else { GetNodeRightsCacheCount--; } } // Cache hit, or we need to update the cache
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if (GetNodeRightsCacheCount > 2000) { GetNodeRightsCache = {}; GetNodeRightsCacheCount = 0; } // From time to time, flush the cache
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var r = obj.GetMeshRights(user, mesh);
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if (r == 0xFFFFFFFF) return removeUserRights(r, user);
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if (r == 0xFFFFFFFF) {
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const out = removeUserRights(r, user);
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GetNodeRightsCache[cacheid] = { t: Date.now() + 10000, o: out };
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GetNodeRightsCacheCount++;
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return out;
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}
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// Check direct device rights using device data
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if ((user.links != null) && (user.links[nodeid] != null)) { r |= user.links[nodeid].rights; } // TODO: Deal with reverse permissions
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if (r == 0xFFFFFFFF) return removeUserRights(r, user);
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if (r == 0xFFFFFFFF) {
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const out = removeUserRights(r, user);
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GetNodeRightsCache[cacheid] = { t: Date.now() + 10000, o: out };
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GetNodeRightsCacheCount++;
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return out;
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}
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// Check direct device rights thru a user group
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for (var i in user.links) {
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@ -7269,7 +7291,10 @@ module.exports.CreateWebServer = function (parent, db, args, certificates, doneF
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}
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}
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return removeUserRights(r, user);
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const out = removeUserRights(r, user);
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GetNodeRightsCache[cacheid] = { t: Date.now() + 10000, o: out };
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GetNodeRightsCacheCount++;
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return out;
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}
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// Returns a list of displatch targets for a given mesh
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