564 lines
		
	
	
		
			25 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			564 lines
		
	
	
		
			25 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| /**
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|  * @fileoverview Restrict usage of specified node imports.
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|  * @author Guy Ellis
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|  */
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| "use strict";
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| 
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| //------------------------------------------------------------------------------
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| // Requirements
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| //------------------------------------------------------------------------------
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| 
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| const astUtils = require("./utils/ast-utils");
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| 
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| //------------------------------------------------------------------------------
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| // Rule Definition
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| //------------------------------------------------------------------------------
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| 
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| const ignore = require("ignore");
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| 
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| const arrayOfStringsOrObjects = {
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|     type: "array",
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|     items: {
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|         anyOf: [
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|             { type: "string" },
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|             {
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|                 type: "object",
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|                 properties: {
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|                     name: { type: "string" },
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|                     message: {
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|                         type: "string",
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|                         minLength: 1
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|                     },
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|                     importNames: {
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|                         type: "array",
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|                         items: {
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|                             type: "string"
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|                         }
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|                     },
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|                     allowImportNames: {
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|                         type: "array",
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|                         items: {
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|                             type: "string"
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|                         }
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|                     }
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|                 },
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|                 additionalProperties: false,
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|                 required: ["name"],
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|                 not: { required: ["importNames", "allowImportNames"] }
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|             }
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|         ]
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|     },
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|     uniqueItems: true
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| };
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| 
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| const arrayOfStringsOrObjectPatterns = {
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|     anyOf: [
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|         {
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|             type: "array",
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|             items: {
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|                 type: "string"
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|             },
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|             uniqueItems: true
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|         },
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|         {
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|             type: "array",
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|             items: {
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|                 type: "object",
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|                 properties: {
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|                     importNames: {
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|                         type: "array",
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|                         items: {
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|                             type: "string"
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|                         },
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|                         minItems: 1,
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|                         uniqueItems: true
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|                     },
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|                     allowImportNames: {
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|                         type: "array",
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|                         items: {
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|                             type: "string"
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|                         },
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|                         minItems: 1,
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|                         uniqueItems: true
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|                     },
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|                     group: {
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|                         type: "array",
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|                         items: {
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|                             type: "string"
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|                         },
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|                         minItems: 1,
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|                         uniqueItems: true
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|                     },
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|                     regex: {
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|                         type: "string"
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|                     },
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|                     importNamePattern: {
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|                         type: "string"
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|                     },
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|                     allowImportNamePattern: {
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|                         type: "string"
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|                     },
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|                     message: {
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|                         type: "string",
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|                         minLength: 1
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|                     },
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|                     caseSensitive: {
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|                         type: "boolean"
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|                     }
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|                 },
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|                 additionalProperties: false,
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|                 not: {
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|                     anyOf: [
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|                         { required: ["importNames", "allowImportNames"] },
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|                         { required: ["importNamePattern", "allowImportNamePattern"] },
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|                         { required: ["importNames", "allowImportNamePattern"] },
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|                         { required: ["importNamePattern", "allowImportNames"] },
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|                         { required: ["allowImportNames", "allowImportNamePattern"] }
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|                     ]
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|                 },
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|                 oneOf: [
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|                     { required: ["group"] },
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|                     { required: ["regex"] }
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|                 ]
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|             },
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|             uniqueItems: true
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|         }
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|     ]
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| };
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| 
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| /** @type {import('../shared/types').Rule} */
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| module.exports = {
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|     meta: {
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|         type: "suggestion",
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| 
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|         docs: {
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|             description: "Disallow specified modules when loaded by `import`",
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|             recommended: false,
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|             url: "https://eslint.org/docs/latest/rules/no-restricted-imports"
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|         },
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| 
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|         messages: {
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|             path: "'{{importSource}}' import is restricted from being used.",
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|             // eslint-disable-next-line eslint-plugin/report-message-format -- Custom message might not end in a period
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|             pathWithCustomMessage: "'{{importSource}}' import is restricted from being used. {{customMessage}}",
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| 
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|             patterns: "'{{importSource}}' import is restricted from being used by a pattern.",
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|             // eslint-disable-next-line eslint-plugin/report-message-format -- Custom message might not end in a period
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|             patternWithCustomMessage: "'{{importSource}}' import is restricted from being used by a pattern. {{customMessage}}",
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| 
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|             patternAndImportName: "'{{importName}}' import from '{{importSource}}' is restricted from being used by a pattern.",
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|             // eslint-disable-next-line eslint-plugin/report-message-format -- Custom message might not end in a period
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|             patternAndImportNameWithCustomMessage: "'{{importName}}' import from '{{importSource}}' is restricted from being used by a pattern. {{customMessage}}",
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| 
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|             patternAndEverything: "* import is invalid because '{{importNames}}' from '{{importSource}}' is restricted from being used by a pattern.",
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| 
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|             patternAndEverythingWithRegexImportName: "* import is invalid because import name matching '{{importNames}}' pattern from '{{importSource}}' is restricted from being used.",
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|             // eslint-disable-next-line eslint-plugin/report-message-format -- Custom message might not end in a period
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|             patternAndEverythingWithCustomMessage: "* import is invalid because '{{importNames}}' from '{{importSource}}' is restricted from being used by a pattern. {{customMessage}}",
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|             // eslint-disable-next-line eslint-plugin/report-message-format -- Custom message might not end in a period
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|             patternAndEverythingWithRegexImportNameAndCustomMessage: "* import is invalid because import name matching '{{importNames}}' pattern from '{{importSource}}' is restricted from being used. {{customMessage}}",
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| 
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|             everything: "* import is invalid because '{{importNames}}' from '{{importSource}}' is restricted.",
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|             // eslint-disable-next-line eslint-plugin/report-message-format -- Custom message might not end in a period
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|             everythingWithCustomMessage: "* import is invalid because '{{importNames}}' from '{{importSource}}' is restricted. {{customMessage}}",
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| 
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|             importName: "'{{importName}}' import from '{{importSource}}' is restricted.",
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|             // eslint-disable-next-line eslint-plugin/report-message-format -- Custom message might not end in a period
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|             importNameWithCustomMessage: "'{{importName}}' import from '{{importSource}}' is restricted. {{customMessage}}",
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| 
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|             allowedImportName: "'{{importName}}' import from '{{importSource}}' is restricted because only '{{allowedImportNames}}' import(s) is/are allowed.",
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|             // eslint-disable-next-line eslint-plugin/report-message-format -- Custom message might not end in a period
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|             allowedImportNameWithCustomMessage: "'{{importName}}' import from '{{importSource}}' is restricted because only '{{allowedImportNames}}' import(s) is/are allowed. {{customMessage}}",
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| 
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|             everythingWithAllowImportNames: "* import is invalid because only '{{allowedImportNames}}' from '{{importSource}}' is/are allowed.",
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|             // eslint-disable-next-line eslint-plugin/report-message-format -- Custom message might not end in a period
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|             everythingWithAllowImportNamesAndCustomMessage: "* import is invalid because only '{{allowedImportNames}}' from '{{importSource}}' is/are allowed. {{customMessage}}",
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| 
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|             allowedImportNamePattern: "'{{importName}}' import from '{{importSource}}' is restricted because only imports that match the pattern '{{allowedImportNamePattern}}' are allowed from '{{importSource}}'.",
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|             // eslint-disable-next-line eslint-plugin/report-message-format -- Custom message might not end in a period
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|             allowedImportNamePatternWithCustomMessage: "'{{importName}}' import from '{{importSource}}' is restricted because only imports that match the pattern '{{allowedImportNamePattern}}' are allowed from '{{importSource}}'. {{customMessage}}",
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| 
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|             everythingWithAllowedImportNamePattern: "* import is invalid because only imports that match the pattern '{{allowedImportNamePattern}}' from '{{importSource}}' are allowed.",
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|             // eslint-disable-next-line eslint-plugin/report-message-format -- Custom message might not end in a period
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|             everythingWithAllowedImportNamePatternWithCustomMessage: "* import is invalid because only imports that match the pattern '{{allowedImportNamePattern}}' from '{{importSource}}' are allowed. {{customMessage}}"
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|         },
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| 
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|         schema: {
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|             anyOf: [
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|                 arrayOfStringsOrObjects,
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|                 {
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|                     type: "array",
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|                     items: [{
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|                         type: "object",
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|                         properties: {
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|                             paths: arrayOfStringsOrObjects,
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|                             patterns: arrayOfStringsOrObjectPatterns
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|                         },
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|                         additionalProperties: false
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|                     }],
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|                     additionalItems: false
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|                 }
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|             ]
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|         }
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|     },
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| 
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|     create(context) {
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|         const sourceCode = context.sourceCode;
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|         const options = Array.isArray(context.options) ? context.options : [];
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|         const isPathAndPatternsObject =
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|             typeof options[0] === "object" &&
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|             (Object.hasOwn(options[0], "paths") || Object.hasOwn(options[0], "patterns"));
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| 
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|         const restrictedPaths = (isPathAndPatternsObject ? options[0].paths : context.options) || [];
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|         const groupedRestrictedPaths = restrictedPaths.reduce((memo, importSource) => {
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|             const path = typeof importSource === "string"
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|                 ? importSource
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|                 : importSource.name;
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| 
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|             if (!memo[path]) {
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|                 memo[path] = [];
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|             }
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| 
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|             if (typeof importSource === "string") {
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|                 memo[path].push({});
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|             } else {
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|                 memo[path].push({
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|                     message: importSource.message,
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|                     importNames: importSource.importNames,
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|                     allowImportNames: importSource.allowImportNames
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|                 });
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|             }
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|             return memo;
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|         }, Object.create(null));
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| 
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|         // Handle patterns too, either as strings or groups
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|         let restrictedPatterns = (isPathAndPatternsObject ? options[0].patterns : []) || [];
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| 
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|         // standardize to array of objects if we have an array of strings
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|         if (restrictedPatterns.length > 0 && typeof restrictedPatterns[0] === "string") {
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|             restrictedPatterns = [{ group: restrictedPatterns }];
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|         }
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| 
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|         // relative paths are supported for this rule
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|         const restrictedPatternGroups = restrictedPatterns.map(
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|             ({ group, regex, message, caseSensitive, importNames, importNamePattern, allowImportNames, allowImportNamePattern }) => (
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|                 {
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|                     ...(group ? { matcher: ignore({ allowRelativePaths: true, ignorecase: !caseSensitive }).add(group) } : {}),
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|                     ...(typeof regex === "string" ? { regexMatcher: new RegExp(regex, caseSensitive ? "u" : "iu") } : {}),
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|                     customMessage: message,
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|                     importNames,
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|                     importNamePattern,
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|                     allowImportNames,
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|                     allowImportNamePattern
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|                 }
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|             )
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|         );
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| 
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|         // if no imports are restricted we don't need to check
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|         if (Object.keys(restrictedPaths).length === 0 && restrictedPatternGroups.length === 0) {
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|             return {};
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|         }
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| 
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|         /**
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|          * Report a restricted path.
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|          * @param {string} importSource path of the import
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|          * @param {Map<string,Object[]>} importNames Map of import names that are being imported
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|          * @param {node} node representing the restricted path reference
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|          * @returns {void}
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|          * @private
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|          */
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|         function checkRestrictedPathAndReport(importSource, importNames, node) {
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|             if (!Object.hasOwn(groupedRestrictedPaths, importSource)) {
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|                 return;
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|             }
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| 
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|             groupedRestrictedPaths[importSource].forEach(restrictedPathEntry => {
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|                 const customMessage = restrictedPathEntry.message;
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|                 const restrictedImportNames = restrictedPathEntry.importNames;
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|                 const allowedImportNames = restrictedPathEntry.allowImportNames;
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| 
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|                 if (!restrictedImportNames && !allowedImportNames) {
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|                     context.report({
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|                         node,
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|                         messageId: customMessage ? "pathWithCustomMessage" : "path",
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|                         data: {
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|                             importSource,
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|                             customMessage
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|                         }
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|                     });
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| 
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|                     return;
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|                 }
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| 
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|                 importNames.forEach((specifiers, importName) => {
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|                     if (importName === "*") {
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|                         const [specifier] = specifiers;
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| 
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|                         if (restrictedImportNames) {
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|                             context.report({
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|                                 node,
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|                                 messageId: customMessage ? "everythingWithCustomMessage" : "everything",
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|                                 loc: specifier.loc,
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|                                 data: {
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|                                     importSource,
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|                                     importNames: restrictedImportNames,
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|                                     customMessage
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|                                 }
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|                             });
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|                         } else if (allowedImportNames) {
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|                             context.report({
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|                                 node,
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|                                 messageId: customMessage ? "everythingWithAllowImportNamesAndCustomMessage" : "everythingWithAllowImportNames",
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|                                 loc: specifier.loc,
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|                                 data: {
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|                                     importSource,
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|                                     allowedImportNames,
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|                                     customMessage
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|                                 }
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|                             });
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|                         }
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| 
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|                         return;
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|                     }
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| 
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|                     if (restrictedImportNames && restrictedImportNames.includes(importName)) {
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|                         specifiers.forEach(specifier => {
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|                             context.report({
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|                                 node,
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|                                 messageId: customMessage ? "importNameWithCustomMessage" : "importName",
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|                                 loc: specifier.loc,
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|                                 data: {
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|                                     importSource,
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|                                     customMessage,
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|                                     importName
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|                                 }
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|                             });
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|                         });
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|                     }
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| 
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|                     if (allowedImportNames && !allowedImportNames.includes(importName)) {
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|                         specifiers.forEach(specifier => {
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|                             context.report({
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|                                 node,
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|                                 loc: specifier.loc,
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|                                 messageId: customMessage ? "allowedImportNameWithCustomMessage" : "allowedImportName",
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|                                 data: {
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|                                     importSource,
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|                                     customMessage,
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|                                     importName,
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|                                     allowedImportNames
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|                                 }
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|                             });
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|                         });
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|                     }
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|                 });
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|             });
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|         }
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| 
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|         /**
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|          * Report a restricted path specifically for patterns.
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|          * @param {node} node representing the restricted path reference
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|          * @param {Object} group contains an Ignore instance for paths, the customMessage to show on failure,
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|          * and any restricted import names that have been specified in the config
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|          * @param {Map<string,Object[]>} importNames Map of import names that are being imported
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|          * @returns {void}
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|          * @private
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|          */
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|         function reportPathForPatterns(node, group, importNames) {
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|             const importSource = node.source.value.trim();
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| 
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|             const customMessage = group.customMessage;
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|             const restrictedImportNames = group.importNames;
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|             const restrictedImportNamePattern = group.importNamePattern ? new RegExp(group.importNamePattern, "u") : null;
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|             const allowedImportNames = group.allowImportNames;
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|             const allowedImportNamePattern = group.allowImportNamePattern ? new RegExp(group.allowImportNamePattern, "u") : null;
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| 
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|             /**
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|              * If we are not restricting to any specific import names and just the pattern itself,
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|              * report the error and move on
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|              */
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|             if (!restrictedImportNames && !allowedImportNames && !restrictedImportNamePattern && !allowedImportNamePattern) {
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|                 context.report({
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|                     node,
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|                     messageId: customMessage ? "patternWithCustomMessage" : "patterns",
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|                     data: {
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|                         importSource,
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|                         customMessage
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|                     }
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|                 });
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|                 return;
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|             }
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| 
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|             importNames.forEach((specifiers, importName) => {
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|                 if (importName === "*") {
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|                     const [specifier] = specifiers;
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| 
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|                     if (restrictedImportNames) {
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|                         context.report({
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|                             node,
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|                             messageId: customMessage ? "patternAndEverythingWithCustomMessage" : "patternAndEverything",
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|                             loc: specifier.loc,
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|                             data: {
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|                                 importSource,
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|                                 importNames: restrictedImportNames,
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|                                 customMessage
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|                             }
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|                         });
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|                     } else if (allowedImportNames) {
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|                         context.report({
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|                             node,
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|                             messageId: customMessage ? "everythingWithAllowImportNamesAndCustomMessage" : "everythingWithAllowImportNames",
 | |
|                             loc: specifier.loc,
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|                             data: {
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|                                 importSource,
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|                                 allowedImportNames,
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|                                 customMessage
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|                             }
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|                         });
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|                     } else if (allowedImportNamePattern) {
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|                         context.report({
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|                             node,
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|                             messageId: customMessage ? "everythingWithAllowedImportNamePatternWithCustomMessage" : "everythingWithAllowedImportNamePattern",
 | |
|                             loc: specifier.loc,
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|                             data: {
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|                                 importSource,
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|                                 allowedImportNamePattern,
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|                                 customMessage
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|                             }
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|                         });
 | |
|                     } else {
 | |
|                         context.report({
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|                             node,
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|                             messageId: customMessage ? "patternAndEverythingWithRegexImportNameAndCustomMessage" : "patternAndEverythingWithRegexImportName",
 | |
|                             loc: specifier.loc,
 | |
|                             data: {
 | |
|                                 importSource,
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|                                 importNames: restrictedImportNamePattern,
 | |
|                                 customMessage
 | |
|                             }
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|                         });
 | |
|                     }
 | |
| 
 | |
|                     return;
 | |
|                 }
 | |
| 
 | |
|                 if (
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|                     (restrictedImportNames && restrictedImportNames.includes(importName)) ||
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|                     (restrictedImportNamePattern && restrictedImportNamePattern.test(importName))
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|                 ) {
 | |
|                     specifiers.forEach(specifier => {
 | |
|                         context.report({
 | |
|                             node,
 | |
|                             messageId: customMessage ? "patternAndImportNameWithCustomMessage" : "patternAndImportName",
 | |
|                             loc: specifier.loc,
 | |
|                             data: {
 | |
|                                 importSource,
 | |
|                                 customMessage,
 | |
|                                 importName
 | |
|                             }
 | |
|                         });
 | |
|                     });
 | |
|                 }
 | |
| 
 | |
|                 if (allowedImportNames && !allowedImportNames.includes(importName)) {
 | |
|                     specifiers.forEach(specifier => {
 | |
|                         context.report({
 | |
|                             node,
 | |
|                             messageId: customMessage ? "allowedImportNameWithCustomMessage" : "allowedImportName",
 | |
|                             loc: specifier.loc,
 | |
|                             data: {
 | |
|                                 importSource,
 | |
|                                 customMessage,
 | |
|                                 importName,
 | |
|                                 allowedImportNames
 | |
|                             }
 | |
|                         });
 | |
|                     });
 | |
|                 } else if (allowedImportNamePattern && !allowedImportNamePattern.test(importName)) {
 | |
|                     specifiers.forEach(specifier => {
 | |
|                         context.report({
 | |
|                             node,
 | |
|                             messageId: customMessage ? "allowedImportNamePatternWithCustomMessage" : "allowedImportNamePattern",
 | |
|                             loc: specifier.loc,
 | |
|                             data: {
 | |
|                                 importSource,
 | |
|                                 customMessage,
 | |
|                                 importName,
 | |
|                                 allowedImportNamePattern
 | |
|                             }
 | |
|                         });
 | |
|                     });
 | |
|                 }
 | |
|             });
 | |
|         }
 | |
| 
 | |
|         /**
 | |
|          * Check if the given importSource is restricted by a pattern.
 | |
|          * @param {string} importSource path of the import
 | |
|          * @param {Object} group contains a Ignore instance for paths, and the customMessage to show if it fails
 | |
|          * @returns {boolean} whether the variable is a restricted pattern or not
 | |
|          * @private
 | |
|          */
 | |
|         function isRestrictedPattern(importSource, group) {
 | |
|             return group.regexMatcher ? group.regexMatcher.test(importSource) : group.matcher.ignores(importSource);
 | |
|         }
 | |
| 
 | |
|         /**
 | |
|          * Checks a node to see if any problems should be reported.
 | |
|          * @param {ASTNode} node The node to check.
 | |
|          * @returns {void}
 | |
|          * @private
 | |
|          */
 | |
|         function checkNode(node) {
 | |
|             const importSource = node.source.value.trim();
 | |
|             const importNames = new Map();
 | |
| 
 | |
|             if (node.type === "ExportAllDeclaration") {
 | |
|                 const starToken = sourceCode.getFirstToken(node, 1);
 | |
| 
 | |
|                 importNames.set("*", [{ loc: starToken.loc }]);
 | |
|             } else if (node.specifiers) {
 | |
|                 for (const specifier of node.specifiers) {
 | |
|                     let name;
 | |
|                     const specifierData = { loc: specifier.loc };
 | |
| 
 | |
|                     if (specifier.type === "ImportDefaultSpecifier") {
 | |
|                         name = "default";
 | |
|                     } else if (specifier.type === "ImportNamespaceSpecifier") {
 | |
|                         name = "*";
 | |
|                     } else if (specifier.imported) {
 | |
|                         name = astUtils.getModuleExportName(specifier.imported);
 | |
|                     } else if (specifier.local) {
 | |
|                         name = astUtils.getModuleExportName(specifier.local);
 | |
|                     }
 | |
| 
 | |
|                     if (typeof name === "string") {
 | |
|                         if (importNames.has(name)) {
 | |
|                             importNames.get(name).push(specifierData);
 | |
|                         } else {
 | |
|                             importNames.set(name, [specifierData]);
 | |
|                         }
 | |
|                     }
 | |
|                 }
 | |
|             }
 | |
| 
 | |
|             checkRestrictedPathAndReport(importSource, importNames, node);
 | |
|             restrictedPatternGroups.forEach(group => {
 | |
|                 if (isRestrictedPattern(importSource, group)) {
 | |
|                     reportPathForPatterns(node, group, importNames);
 | |
|                 }
 | |
|             });
 | |
|         }
 | |
| 
 | |
|         return {
 | |
|             ImportDeclaration: checkNode,
 | |
|             ExportNamedDeclaration(node) {
 | |
|                 if (node.source) {
 | |
|                     checkNode(node);
 | |
|                 }
 | |
|             },
 | |
|             ExportAllDeclaration: checkNode
 | |
|         };
 | |
|     }
 | |
| };
 |