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| Original file line number | Diff line number | Diff line change |
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| """ | ||
| Copyright 2015-2016 Amazon.com, Inc. or its affiliates. All Rights Reserved. | ||
| Licensed under the Apache License, Version 2.0 (the "License"). You may not use this file except in compliance with the License. A copy of the License is located at | ||
| http://aws.amazon.com/apache2.0/ | ||
| or in the "license" file accompanying this file. This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. | ||
| """ | ||
| from __future__ import print_function | ||
|
|
||
| import re | ||
| import time | ||
| import pprint | ||
| import json | ||
|
|
||
|
|
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| def lambda_handler(event, context): | ||
| print("Client token: " + event['authorizationToken']) | ||
| print("Method ARN: " + event['methodArn']) | ||
|
|
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| principalId = "user|a1b2c3d4" | ||
| tmp = event['methodArn'].split(':') | ||
| apiGatewayArnTmp = tmp[5].split('/') | ||
| awsAccountId = tmp[4] | ||
|
|
||
| policy = AuthPolicy(principalId, awsAccountId) | ||
| policy.restApiId = apiGatewayArnTmp[0] | ||
| policy.region = tmp[3] | ||
| policy.stage = apiGatewayArnTmp[1] | ||
|
|
||
| policy.allowMethod(HttpVerb.GET, "/sheet/*") | ||
| policy.allowMethod(HttpVerb.GET, "/sheet") | ||
| policy.denyMethod(HttpVerb.POST, "/sheet") | ||
| policy.denyMethod(HttpVerb.POST, "/sheet/*") | ||
| policy.denyMethod(HttpVerb.PUT, "/sheet") | ||
| policy.denyMethod(HttpVerb.PUT, "/sheet/*") | ||
| policy.denyMethod(HttpVerb.DELETE, "/sheet") | ||
| policy.denyMethod(HttpVerb.DELETE, "/sheet/*") | ||
|
|
||
| # Finally, build the policy | ||
| authResponse = policy.build() | ||
|
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| context = { | ||
| 'user': sdad | ||
| } | ||
| # context['arr'] = ['foo'] <- this is invalid, APIGW will not accept it | ||
| # context['obj'] = {'foo':'bar'} <- also invalid | ||
|
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| authResponse['context'] = context | ||
|
|
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| return authResponse | ||
|
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| class HttpVerb: | ||
| GET = "GET" | ||
| POST = "POST" | ||
| PUT = "PUT" | ||
| PATCH = "PATCH" | ||
| HEAD = "HEAD" | ||
| DELETE = "DELETE" | ||
| OPTIONS = "OPTIONS" | ||
| ALL = "*" | ||
|
|
||
| class AuthPolicy(object): | ||
| awsAccountId = "" | ||
| """The AWS account id the policy will be generated for. This is used to create the method ARNs.""" | ||
| principalId = "" | ||
| """The principal used for the policy, this should be a unique identifier for the end user.""" | ||
| version = "2012-10-17" | ||
| """The policy version used for the evaluation. This should always be '2012-10-17'""" | ||
| pathRegex = "^[/.a-zA-Z0-9-\*]+$" | ||
| """The regular expression used to validate resource paths for the policy""" | ||
|
|
||
| """these are the internal lists of allowed and denied methods. These are lists | ||
| of objects and each object has 2 properties: A resource ARN and a nullable | ||
| conditions statement. | ||
| the build method processes these lists and generates the approriate | ||
| statements for the final policy""" | ||
| allowMethods = [] | ||
| denyMethods = [] | ||
|
|
||
| restApiId = "*" | ||
| """The API Gateway API id. By default this is set to '*'""" | ||
| region = "*" | ||
| """The region where the API is deployed. By default this is set to '*'""" | ||
| stage = "*" | ||
| """The name of the stage used in the policy. By default this is set to '*'""" | ||
|
|
||
| def __init__(self, principal, awsAccountId): | ||
| self.awsAccountId = awsAccountId | ||
| self.principalId = principal | ||
| self.allowMethods = [] | ||
| self.denyMethods = [] | ||
|
|
||
| def _addMethod(self, effect, verb, resource, conditions): | ||
| """Adds a method to the internal lists of allowed or denied methods. Each object in | ||
| the internal list contains a resource ARN and a condition statement. The condition | ||
| statement can be null.""" | ||
| if verb != "*" and not hasattr(HttpVerb, verb): | ||
| raise NameError("Invalid HTTP verb " + verb + ". Allowed verbs in HttpVerb class") | ||
| resourcePattern = re.compile(self.pathRegex) | ||
| if not resourcePattern.match(resource): | ||
| raise NameError("Invalid resource path: " + resource + ". Path should match " + self.pathRegex) | ||
|
|
||
| if resource[:1] == "/": | ||
| resource = resource[1:] | ||
|
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| resourceArn = ("arn:aws:execute-api:" + | ||
| self.region + ":" + | ||
| self.awsAccountId + ":" + | ||
| self.restApiId + "/" + | ||
| self.stage + "/" + | ||
| verb + "/" + | ||
| resource) | ||
|
|
||
| if effect.lower() == "allow": | ||
| self.allowMethods.append({ | ||
| 'resourceArn' : resourceArn, | ||
| 'conditions' : conditions | ||
| }) | ||
| elif effect.lower() == "deny": | ||
| self.denyMethods.append({ | ||
| 'resourceArn' : resourceArn, | ||
| 'conditions' : conditions | ||
| }) | ||
|
|
||
| def _getEmptyStatement(self, effect): | ||
| """Returns an empty statement object prepopulated with the correct action and the | ||
| desired effect.""" | ||
| statement = { | ||
| 'Action': 'execute-api:Invoke', | ||
| 'Effect': effect[:1].upper() + effect[1:].lower(), | ||
| 'Resource': [] | ||
| } | ||
|
|
||
| return statement | ||
|
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| def _getStatementForEffect(self, effect, methods): | ||
| """This function loops over an array of objects containing a resourceArn and | ||
| conditions statement and generates the array of statements for the policy.""" | ||
| statements = [] | ||
|
|
||
| if len(methods) > 0: | ||
| statement = self._getEmptyStatement(effect) | ||
|
|
||
| for curMethod in methods: | ||
| if curMethod['conditions'] is None or len(curMethod['conditions']) == 0: | ||
| statement['Resource'].append(curMethod['resourceArn']) | ||
| else: | ||
| conditionalStatement = self._getEmptyStatement(effect) | ||
| conditionalStatement['Resource'].append(curMethod['resourceArn']) | ||
| conditionalStatement['Condition'] = curMethod['conditions'] | ||
| statements.append(conditionalStatement) | ||
|
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| statements.append(statement) | ||
|
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| return statements | ||
|
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| def allowAllMethods(self): | ||
| """Adds a '*' allow to the policy to authorize access to all methods of an API""" | ||
| self._addMethod("Allow", HttpVerb.ALL, "*", []) | ||
|
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||
| def denyAllMethods(self): | ||
| """Adds a '*' allow to the policy to deny access to all methods of an API""" | ||
| self._addMethod("Deny", HttpVerb.ALL, "*", []) | ||
|
|
||
| def allowMethod(self, verb, resource): | ||
| """Adds an API Gateway method (Http verb + Resource path) to the list of allowed | ||
| methods for the policy""" | ||
| self._addMethod("Allow", verb, resource, []) | ||
|
|
||
| def denyMethod(self, verb, resource): | ||
| """Adds an API Gateway method (Http verb + Resource path) to the list of denied | ||
| methods for the policy""" | ||
| self._addMethod("Deny", verb, resource, []) | ||
|
|
||
| def allowMethodWithConditions(self, verb, resource, conditions): | ||
| """Adds an API Gateway method (Http verb + Resource path) to the list of allowed | ||
| methods and includes a condition for the policy statement. More on AWS policy | ||
| conditions here: http://docs.aws.amazon.com/IAM/latest/UserGuide/reference_policies_elements.html#Condition""" | ||
| self._addMethod("Allow", verb, resource, conditions) | ||
|
|
||
| def denyMethodWithConditions(self, verb, resource, conditions): | ||
| """Adds an API Gateway method (Http verb + Resource path) to the list of denied | ||
| methods and includes a condition for the policy statement. More on AWS policy | ||
| conditions here: http://docs.aws.amazon.com/IAM/latest/UserGuide/reference_policies_elements.html#Condition""" | ||
| self._addMethod("Deny", verb, resource, conditions) | ||
|
|
||
| def build(self): | ||
| """Generates the policy document based on the internal lists of allowed and denied | ||
| conditions. This will generate a policy with two main statements for the effect: | ||
| one statement for Allow and one statement for Deny. | ||
| Methods that includes conditions will have their own statement in the policy.""" | ||
| if ((self.allowMethods is None or len(self.allowMethods) == 0) and | ||
| (self.denyMethods is None or len(self.denyMethods) == 0)): | ||
| raise NameError("No statements defined for the policy") | ||
|
|
||
| policy = { | ||
| 'principalId' : self.principalId, | ||
| 'policyDocument' : { | ||
| 'Version' : self.version, | ||
| 'Statement' : [] | ||
| } | ||
| } | ||
|
|
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| policy['policyDocument']['Statement'].extend(self._getStatementForEffect("Allow", self.allowMethods)) | ||
| policy['policyDocument']['Statement'].extend(self._getStatementForEffect("Deny", self.denyMethods)) | ||
|
|
||
| return policy |
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25 changes: 25 additions & 0 deletions
25
client-ui/angular-code/src/app/core/guardsAndResolvers/sheet.resolve.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| import { Injectable } from '@angular/core'; | ||
| import { Resolve, ActivatedRouteSnapshot } from '@angular/router'; | ||
| import { SheetService } from '../services/sheet.service'; | ||
| import { Observable } from 'rxjs'; | ||
| import { map, mergeMap } from 'rxjs/operators'; | ||
| // import 'rxjs/add/operator/map'; | ||
|
|
||
| @Injectable() | ||
| export class SheetResolver implements Resolve<any> { | ||
| constructor(private sheetService: SheetService) { } | ||
| resolve() { | ||
| const request = this.sheetService.loadSheetMenu().pipe( | ||
| mergeMap(responseBody => { | ||
| const sheets = responseBody['result']['sheetNames']; | ||
| return this.sheetService.setSelectedSheet(sheets[0]); | ||
| }) | ||
| ); | ||
| // mergeMap() | ||
| // const request = this.sheetService.loadSheetMenu().subscribe((responseBody) => { | ||
| // const sheets = responseBody['result']['sheetNames']; | ||
| // this.sheetService.setSelectedSheet(sheets[0]); | ||
| // }, () => {}); | ||
| return request; | ||
| } | ||
| } |
21 changes: 21 additions & 0 deletions
21
client-ui/angular-code/src/app/core/interceptors/loader.interceptor.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| import { Injectable } from "@angular/core"; | ||
| import { HttpEvent, HttpHandler, HttpInterceptor, HttpRequest } from "@angular/common/http"; | ||
| import { Observable } from "rxjs"; | ||
| import { finalize } from "rxjs/operators"; | ||
|
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| import { LoaderService } from '../services/loader.service'; | ||
|
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| @Injectable() | ||
| export class LoaderInterceptor implements HttpInterceptor { | ||
|
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| constructor(public loaderService: LoaderService) { | ||
| } | ||
|
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| intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> { | ||
| this.loaderService.show(); | ||
| console.log('Called?'); | ||
| return next.handle(req).pipe( | ||
| finalize(() => this.loaderService.hide()) | ||
| ); | ||
| } | ||
| } |
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