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@@ -0,0 +1,506 @@
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+'use strict';
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+
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+var compileSchema = require('./compile')
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+ , resolve = require('./compile/resolve')
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+ , Cache = require('./cache')
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+ , SchemaObject = require('./compile/schema_obj')
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+ , stableStringify = require('fast-json-stable-stringify')
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+ , formats = require('./compile/formats')
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+ , rules = require('./compile/rules')
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+ , $dataMetaSchema = require('./data')
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+ , util = require('./compile/util');
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+
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+module.exports = Ajv;
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+
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+Ajv.prototype.validate = validate;
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+Ajv.prototype.compile = compile;
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+Ajv.prototype.addSchema = addSchema;
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+Ajv.prototype.addMetaSchema = addMetaSchema;
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+Ajv.prototype.validateSchema = validateSchema;
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+Ajv.prototype.getSchema = getSchema;
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+Ajv.prototype.removeSchema = removeSchema;
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+Ajv.prototype.addFormat = addFormat;
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+Ajv.prototype.errorsText = errorsText;
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+
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+Ajv.prototype._addSchema = _addSchema;
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+Ajv.prototype._compile = _compile;
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+
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+Ajv.prototype.compileAsync = require('./compile/async');
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+var customKeyword = require('./keyword');
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+Ajv.prototype.addKeyword = customKeyword.add;
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+Ajv.prototype.getKeyword = customKeyword.get;
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+Ajv.prototype.removeKeyword = customKeyword.remove;
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+Ajv.prototype.validateKeyword = customKeyword.validate;
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+
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+var errorClasses = require('./compile/error_classes');
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+Ajv.ValidationError = errorClasses.Validation;
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+Ajv.MissingRefError = errorClasses.MissingRef;
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+Ajv.$dataMetaSchema = $dataMetaSchema;
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+
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+var META_SCHEMA_ID = 'http://json-schema.org/draft-07/schema';
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+
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+var META_IGNORE_OPTIONS = [ 'removeAdditional', 'useDefaults', 'coerceTypes', 'strictDefaults' ];
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+var META_SUPPORT_DATA = ['/properties'];
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+
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+/**
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+ * Creates validator instance.
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+ * Usage: `Ajv(opts)`
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+ * @param {Object} opts optional options
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+ * @return {Object} ajv instance
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+ */
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+function Ajv(opts) {
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+ if (!(this instanceof Ajv)) return new Ajv(opts);
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+ opts = this._opts = util.copy(opts) || {};
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+ setLogger(this);
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+ this._schemas = {};
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+ this._refs = {};
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+ this._fragments = {};
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+ this._formats = formats(opts.format);
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+
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+ this._cache = opts.cache || new Cache;
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+ this._loadingSchemas = {};
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+ this._compilations = [];
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+ this.RULES = rules();
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+ this._getId = chooseGetId(opts);
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+
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+ opts.loopRequired = opts.loopRequired || Infinity;
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+ if (opts.errorDataPath == 'property') opts._errorDataPathProperty = true;
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+ if (opts.serialize === undefined) opts.serialize = stableStringify;
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+ this._metaOpts = getMetaSchemaOptions(this);
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+
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+ if (opts.formats) addInitialFormats(this);
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+ if (opts.keywords) addInitialKeywords(this);
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+ addDefaultMetaSchema(this);
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+ if (typeof opts.meta == 'object') this.addMetaSchema(opts.meta);
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+ if (opts.nullable) this.addKeyword('nullable', {metaSchema: {type: 'boolean'}});
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+ addInitialSchemas(this);
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+}
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+
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+
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+
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+/**
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+ * Validate data using schema
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+ * Schema will be compiled and cached (using serialized JSON as key. [fast-json-stable-stringify](https://github.com/epoberezkin/fast-json-stable-stringify) is used to serialize.
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+ * @this Ajv
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+ * @param {String|Object} schemaKeyRef key, ref or schema object
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+ * @param {Any} data to be validated
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+ * @return {Boolean} validation result. Errors from the last validation will be available in `ajv.errors` (and also in compiled schema: `schema.errors`).
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+ */
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+function validate(schemaKeyRef, data) {
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+ var v;
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+ if (typeof schemaKeyRef == 'string') {
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+ v = this.getSchema(schemaKeyRef);
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+ if (!v) throw new Error('no schema with key or ref "' + schemaKeyRef + '"');
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+ } else {
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+ var schemaObj = this._addSchema(schemaKeyRef);
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+ v = schemaObj.validate || this._compile(schemaObj);
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+ }
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+
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+ var valid = v(data);
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+ if (v.$async !== true) this.errors = v.errors;
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+ return valid;
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+}
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+
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+
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+/**
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+ * Create validating function for passed schema.
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+ * @this Ajv
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+ * @param {Object} schema schema object
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+ * @param {Boolean} _meta true if schema is a meta-schema. Used internally to compile meta schemas of custom keywords.
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+ * @return {Function} validating function
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+ */
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+function compile(schema, _meta) {
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+ var schemaObj = this._addSchema(schema, undefined, _meta);
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+ return schemaObj.validate || this._compile(schemaObj);
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+}
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+
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+
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+/**
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+ * Adds schema to the instance.
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+ * @this Ajv
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+ * @param {Object|Array} schema schema or array of schemas. If array is passed, `key` and other parameters will be ignored.
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+ * @param {String} key Optional schema key. Can be passed to `validate` method instead of schema object or id/ref. One schema per instance can have empty `id` and `key`.
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+ * @param {Boolean} _skipValidation true to skip schema validation. Used internally, option validateSchema should be used instead.
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+ * @param {Boolean} _meta true if schema is a meta-schema. Used internally, addMetaSchema should be used instead.
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+ * @return {Ajv} this for method chaining
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+ */
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+function addSchema(schema, key, _skipValidation, _meta) {
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+ if (Array.isArray(schema)){
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+ for (var i=0; i<schema.length; i++) this.addSchema(schema[i], undefined, _skipValidation, _meta);
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+ return this;
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+ }
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+ var id = this._getId(schema);
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+ if (id !== undefined && typeof id != 'string')
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+ throw new Error('schema id must be string');
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+ key = resolve.normalizeId(key || id);
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+ checkUnique(this, key);
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+ this._schemas[key] = this._addSchema(schema, _skipValidation, _meta, true);
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+ return this;
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+}
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+
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+
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+/**
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+ * Add schema that will be used to validate other schemas
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+ * options in META_IGNORE_OPTIONS are alway set to false
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+ * @this Ajv
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+ * @param {Object} schema schema object
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+ * @param {String} key optional schema key
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+ * @param {Boolean} skipValidation true to skip schema validation, can be used to override validateSchema option for meta-schema
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+ * @return {Ajv} this for method chaining
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+ */
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+function addMetaSchema(schema, key, skipValidation) {
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+ this.addSchema(schema, key, skipValidation, true);
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+ return this;
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+}
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+
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+
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+/**
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+ * Validate schema
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+ * @this Ajv
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+ * @param {Object} schema schema to validate
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+ * @param {Boolean} throwOrLogError pass true to throw (or log) an error if invalid
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+ * @return {Boolean} true if schema is valid
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+ */
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+function validateSchema(schema, throwOrLogError) {
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+ var $schema = schema.$schema;
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+ if ($schema !== undefined && typeof $schema != 'string')
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+ throw new Error('$schema must be a string');
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+ $schema = $schema || this._opts.defaultMeta || defaultMeta(this);
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+ if (!$schema) {
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+ this.logger.warn('meta-schema not available');
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+ this.errors = null;
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+ return true;
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+ }
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+ var valid = this.validate($schema, schema);
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+ if (!valid && throwOrLogError) {
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+ var message = 'schema is invalid: ' + this.errorsText();
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+ if (this._opts.validateSchema == 'log') this.logger.error(message);
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+ else throw new Error(message);
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+ }
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+ return valid;
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+}
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+
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+
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+function defaultMeta(self) {
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+ var meta = self._opts.meta;
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+ self._opts.defaultMeta = typeof meta == 'object'
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+ ? self._getId(meta) || meta
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+ : self.getSchema(META_SCHEMA_ID)
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+ ? META_SCHEMA_ID
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+ : undefined;
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+ return self._opts.defaultMeta;
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+}
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+
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+
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+/**
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+ * Get compiled schema from the instance by `key` or `ref`.
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+ * @this Ajv
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+ * @param {String} keyRef `key` that was passed to `addSchema` or full schema reference (`schema.id` or resolved id).
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+ * @return {Function} schema validating function (with property `schema`).
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+ */
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+function getSchema(keyRef) {
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+ var schemaObj = _getSchemaObj(this, keyRef);
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+ switch (typeof schemaObj) {
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+ case 'object': return schemaObj.validate || this._compile(schemaObj);
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+ case 'string': return this.getSchema(schemaObj);
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+ case 'undefined': return _getSchemaFragment(this, keyRef);
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+ }
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+}
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+
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+
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+function _getSchemaFragment(self, ref) {
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+ var res = resolve.schema.call(self, { schema: {} }, ref);
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+ if (res) {
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+ var schema = res.schema
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+ , root = res.root
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+ , baseId = res.baseId;
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+ var v = compileSchema.call(self, schema, root, undefined, baseId);
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+ self._fragments[ref] = new SchemaObject({
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+ ref: ref,
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+ fragment: true,
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+ schema: schema,
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+ root: root,
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+ baseId: baseId,
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+ validate: v
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+ });
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+ return v;
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+ }
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+}
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+
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+
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+function _getSchemaObj(self, keyRef) {
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+ keyRef = resolve.normalizeId(keyRef);
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+ return self._schemas[keyRef] || self._refs[keyRef] || self._fragments[keyRef];
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+}
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+
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+
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+/**
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+ * Remove cached schema(s).
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+ * If no parameter is passed all schemas but meta-schemas are removed.
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+ * If RegExp is passed all schemas with key/id matching pattern but meta-schemas are removed.
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+ * Even if schema is referenced by other schemas it still can be removed as other schemas have local references.
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+ * @this Ajv
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+ * @param {String|Object|RegExp} schemaKeyRef key, ref, pattern to match key/ref or schema object
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+ * @return {Ajv} this for method chaining
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+ */
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+function removeSchema(schemaKeyRef) {
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+ if (schemaKeyRef instanceof RegExp) {
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+ _removeAllSchemas(this, this._schemas, schemaKeyRef);
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+ _removeAllSchemas(this, this._refs, schemaKeyRef);
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+ return this;
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+ }
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+ switch (typeof schemaKeyRef) {
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+ case 'undefined':
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+ _removeAllSchemas(this, this._schemas);
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+ _removeAllSchemas(this, this._refs);
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+ this._cache.clear();
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+ return this;
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+ case 'string':
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+ var schemaObj = _getSchemaObj(this, schemaKeyRef);
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+ if (schemaObj) this._cache.del(schemaObj.cacheKey);
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+ delete this._schemas[schemaKeyRef];
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+ delete this._refs[schemaKeyRef];
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+ return this;
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+ case 'object':
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+ var serialize = this._opts.serialize;
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+ var cacheKey = serialize ? serialize(schemaKeyRef) : schemaKeyRef;
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+ this._cache.del(cacheKey);
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+ var id = this._getId(schemaKeyRef);
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+ if (id) {
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+ id = resolve.normalizeId(id);
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+ delete this._schemas[id];
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+ delete this._refs[id];
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+ }
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+ }
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+ return this;
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+}
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+
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+
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+function _removeAllSchemas(self, schemas, regex) {
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+ for (var keyRef in schemas) {
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+ var schemaObj = schemas[keyRef];
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+ if (!schemaObj.meta && (!regex || regex.test(keyRef))) {
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+ self._cache.del(schemaObj.cacheKey);
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+ delete schemas[keyRef];
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+ }
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+ }
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+}
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+
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+
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+/* @this Ajv */
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+function _addSchema(schema, skipValidation, meta, shouldAddSchema) {
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+ if (typeof schema != 'object' && typeof schema != 'boolean')
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+ throw new Error('schema should be object or boolean');
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+ var serialize = this._opts.serialize;
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+ var cacheKey = serialize ? serialize(schema) : schema;
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+ var cached = this._cache.get(cacheKey);
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+ if (cached) return cached;
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+
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+ shouldAddSchema = shouldAddSchema || this._opts.addUsedSchema !== false;
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+
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+ var id = resolve.normalizeId(this._getId(schema));
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+ if (id && shouldAddSchema) checkUnique(this, id);
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+
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+ var willValidate = this._opts.validateSchema !== false && !skipValidation;
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+ var recursiveMeta;
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+ if (willValidate && !(recursiveMeta = id && id == resolve.normalizeId(schema.$schema)))
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+ this.validateSchema(schema, true);
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+
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+ var localRefs = resolve.ids.call(this, schema);
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+
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+ var schemaObj = new SchemaObject({
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+ id: id,
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+ schema: schema,
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+ localRefs: localRefs,
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+ cacheKey: cacheKey,
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+ meta: meta
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+ });
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+
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+ if (id[0] != '#' && shouldAddSchema) this._refs[id] = schemaObj;
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+ this._cache.put(cacheKey, schemaObj);
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+
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+ if (willValidate && recursiveMeta) this.validateSchema(schema, true);
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+
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+ return schemaObj;
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+}
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+
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+
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+/* @this Ajv */
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+function _compile(schemaObj, root) {
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+ if (schemaObj.compiling) {
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+ schemaObj.validate = callValidate;
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+ callValidate.schema = schemaObj.schema;
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+ callValidate.errors = null;
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+ callValidate.root = root ? root : callValidate;
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+ if (schemaObj.schema.$async === true)
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+ callValidate.$async = true;
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+ return callValidate;
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+ }
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+ schemaObj.compiling = true;
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+
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+ var currentOpts;
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+ if (schemaObj.meta) {
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+ currentOpts = this._opts;
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+ this._opts = this._metaOpts;
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+ }
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+
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+ var v;
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+ try { v = compileSchema.call(this, schemaObj.schema, root, schemaObj.localRefs); }
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+ catch(e) {
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+ delete schemaObj.validate;
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+ throw e;
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+ }
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+ finally {
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+ schemaObj.compiling = false;
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+ if (schemaObj.meta) this._opts = currentOpts;
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+ }
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+
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+ schemaObj.validate = v;
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+ schemaObj.refs = v.refs;
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+ schemaObj.refVal = v.refVal;
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+ schemaObj.root = v.root;
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+ return v;
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+
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+
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+ /* @this {*} - custom context, see passContext option */
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+ function callValidate() {
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+ /* jshint validthis: true */
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+ var _validate = schemaObj.validate;
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+ var result = _validate.apply(this, arguments);
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+ callValidate.errors = _validate.errors;
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+ return result;
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+ }
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+}
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+
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+
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+function chooseGetId(opts) {
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+ switch (opts.schemaId) {
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+ case 'auto': return _get$IdOrId;
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+ case 'id': return _getId;
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+ default: return _get$Id;
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+ }
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+}
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+
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+/* @this Ajv */
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+function _getId(schema) {
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+ if (schema.$id) this.logger.warn('schema $id ignored', schema.$id);
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+ return schema.id;
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+}
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+
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+/* @this Ajv */
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+function _get$Id(schema) {
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+ if (schema.id) this.logger.warn('schema id ignored', schema.id);
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+ return schema.$id;
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+}
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+
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+
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+function _get$IdOrId(schema) {
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+ if (schema.$id && schema.id && schema.$id != schema.id)
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+ throw new Error('schema $id is different from id');
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+ return schema.$id || schema.id;
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+}
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+
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+
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+/**
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+ * Convert array of error message objects to string
|
|
|
+ * @this Ajv
|
|
|
+ * @param {Array<Object>} errors optional array of validation errors, if not passed errors from the instance are used.
|
|
|
+ * @param {Object} options optional options with properties `separator` and `dataVar`.
|
|
|
+ * @return {String} human readable string with all errors descriptions
|
|
|
+ */
|
|
|
+function errorsText(errors, options) {
|
|
|
+ errors = errors || this.errors;
|
|
|
+ if (!errors) return 'No errors';
|
|
|
+ options = options || {};
|
|
|
+ var separator = options.separator === undefined ? ', ' : options.separator;
|
|
|
+ var dataVar = options.dataVar === undefined ? 'data' : options.dataVar;
|
|
|
+
|
|
|
+ var text = '';
|
|
|
+ for (var i=0; i<errors.length; i++) {
|
|
|
+ var e = errors[i];
|
|
|
+ if (e) text += dataVar + e.dataPath + ' ' + e.message + separator;
|
|
|
+ }
|
|
|
+ return text.slice(0, -separator.length);
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+/**
|
|
|
+ * Add custom format
|
|
|
+ * @this Ajv
|
|
|
+ * @param {String} name format name
|
|
|
+ * @param {String|RegExp|Function} format string is converted to RegExp; function should return boolean (true when valid)
|
|
|
+ * @return {Ajv} this for method chaining
|
|
|
+ */
|
|
|
+function addFormat(name, format) {
|
|
|
+ if (typeof format == 'string') format = new RegExp(format);
|
|
|
+ this._formats[name] = format;
|
|
|
+ return this;
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+function addDefaultMetaSchema(self) {
|
|
|
+ var $dataSchema;
|
|
|
+ if (self._opts.$data) {
|
|
|
+ $dataSchema = require('./refs/data.json');
|
|
|
+ self.addMetaSchema($dataSchema, $dataSchema.$id, true);
|
|
|
+ }
|
|
|
+ if (self._opts.meta === false) return;
|
|
|
+ var metaSchema = require('./refs/json-schema-draft-07.json');
|
|
|
+ if (self._opts.$data) metaSchema = $dataMetaSchema(metaSchema, META_SUPPORT_DATA);
|
|
|
+ self.addMetaSchema(metaSchema, META_SCHEMA_ID, true);
|
|
|
+ self._refs['http://json-schema.org/schema'] = META_SCHEMA_ID;
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+function addInitialSchemas(self) {
|
|
|
+ var optsSchemas = self._opts.schemas;
|
|
|
+ if (!optsSchemas) return;
|
|
|
+ if (Array.isArray(optsSchemas)) self.addSchema(optsSchemas);
|
|
|
+ else for (var key in optsSchemas) self.addSchema(optsSchemas[key], key);
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+function addInitialFormats(self) {
|
|
|
+ for (var name in self._opts.formats) {
|
|
|
+ var format = self._opts.formats[name];
|
|
|
+ self.addFormat(name, format);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+function addInitialKeywords(self) {
|
|
|
+ for (var name in self._opts.keywords) {
|
|
|
+ var keyword = self._opts.keywords[name];
|
|
|
+ self.addKeyword(name, keyword);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+function checkUnique(self, id) {
|
|
|
+ if (self._schemas[id] || self._refs[id])
|
|
|
+ throw new Error('schema with key or id "' + id + '" already exists');
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+function getMetaSchemaOptions(self) {
|
|
|
+ var metaOpts = util.copy(self._opts);
|
|
|
+ for (var i=0; i<META_IGNORE_OPTIONS.length; i++)
|
|
|
+ delete metaOpts[META_IGNORE_OPTIONS[i]];
|
|
|
+ return metaOpts;
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+function setLogger(self) {
|
|
|
+ var logger = self._opts.logger;
|
|
|
+ if (logger === false) {
|
|
|
+ self.logger = {log: noop, warn: noop, error: noop};
|
|
|
+ } else {
|
|
|
+ if (logger === undefined) logger = console;
|
|
|
+ if (!(typeof logger == 'object' && logger.log && logger.warn && logger.error))
|
|
|
+ throw new Error('logger must implement log, warn and error methods');
|
|
|
+ self.logger = logger;
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+function noop() {}
|