added svcapi ui and camunda code
[it/otf.git] / otf-frontend / server / src / feathers / hooks / permissions / get-permissions.js
diff --git a/otf-frontend/server/src/feathers/hooks/permissions/get-permissions.js b/otf-frontend/server/src/feathers/hooks/permissions/get-permissions.js
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+/*  Copyright (c) 2019 AT&T Intellectual Property.                             #\r
+#                                                                              #\r
+#   Licensed under the Apache License, Version 2.0 (the "License");            #\r
+#   you may not use this file except in compliance with the License.           #\r
+#   You may obtain a copy of the License at                                    #\r
+#                                                                              #\r
+#       http://www.apache.org/licenses/LICENSE-2.0                             #\r
+#                                                                              #\r
+#   Unless required by applicable law or agreed to in writing, software        #\r
+#   distributed under the License is distributed on an "AS IS" BASIS,          #\r
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   #\r
+#   See the License for the specific language governing permissions and        #\r
+#   limitations under the License.                                             #\r
+##############################################################################*/\r
+\r
+\r
+module.exports = function(userObject, groups, defaultPermissions = []){\r
+    return getPermissions(userObject, groups, defaultPermissions);\r
+}\r
+\r
+function getPermissions(userObject, groups, defaultPermissions = []){\r
+    if(!groups || !groups.length){\r
+        return [];\r
+    }\r
+\r
+    let results = [];\r
+\r
+    for(let i = 0; i < groups.length; i++){\r
+\r
+        //Get user's roles in group\r
+        let userInfo = groups[i].members.find((e) => {\r
+            return e.userId.toString() == userObject._id.toString();\r
+        });\r
+\r
+        //grab permissions\r
+        //add default that was passed in\r
+        let perms = JSON.parse(JSON.stringify(defaultPermissions));\r
+\r
+        if(userInfo){\r
+            groups[i].roles.forEach((elem, val) => {\r
+                if(userInfo.roles.includes(elem.roleName)){\r
+                    elem.permissions.forEach(elem => {\r
+                        perms.push(elem);\r
+                    })\r
+                }\r
+            });\r
+        }\r
+\r
+        addGroupPermissions(results, groups[i], perms);\r
+\r
+        //Run recusivley for parent and child groups\r
+        if(groups[i].parentGroups){\r
+            groups[i].parentGroups.forEach((e, v) => {\r
+                addGroupPermissions(results, e, ['read'])\r
+            });\r
+        }\r
+        if(groups[i].childGroups){\r
+            groups[i].childGroups.forEach((e,v) => {\r
+                addGroupPermissions(results, e, perms);\r
+            });\r
+        }\r
+\r
+    }\r
+\r
+    return results;\r
+}\r
+\r
+function addGroupPermissions(results, group, permissions){\r
+\r
+    // Look for group in result to make sure it doesnt alreay exist\r
+    let groupIndex = null;\r
+    results.forEach((elem, val) => {\r
+        if(elem._id.toString() == group._id.toString()){\r
+            groupIndex = val;\r
+            return;\r
+        }\r
+    })\r
+\r
+    //If group doesn't exist add it to the array.\r
+    if(groupIndex == null){\r
+        groupIndex = results.push(group) - 1;\r
+    }\r
+\r
+    //add permissions to group \r
+    if(results[groupIndex].permissions){\r
+        permissions = permissions.concat(results[groupIndex].permissions);\r
+    }\r
+\r
+    permissions = new Set(permissions);\r
+\r
+    //set permissions\r
+    results[groupIndex].permissions = Array.from(permissions);\r
+}
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