feat: Support encoding uri (#3027)

* feat: Add encodeUri in UriOptions interface

* feat: Add encodeUri in options list for uri method

* feat: Encode uri with true flags in uri validation

* feat: Add test for uri encoding

* fix: Integrate lint suggestions for style consistency

* fix: Pre-encode value before other cases

* feat: Add custom error message for uriEncoding

* feat: Add case for uriEncoding convert false

* docs: Add description for encodeUri

Author: HYOSITIVE

API.md

@@ -3085,6 +3085,7 @@ Requires the string value to be a valid [RFC 3986](http://tools.ietf.org/html/rf
     - `relativeOnly` - Restrict only relative URIs.  Defaults to `false`.
     - `allowQuerySquareBrackets` - Allows unencoded square brackets inside the query string. This is **NOT** RFC 3986 compliant but query strings like `abc[]=123&abc[]=456` are very common these days. Defaults to `false`.
     - `domain` - Validate the domain component using the options specified in [`string.domain()`](#stringdomainoptions).
+    - `encodeUri` - Encodes the uri with non-alphabetical characters. Defaults to `false`.
 
 ```js
 // Accept git or git http/https

lib/index.d.ts

@@ -426,6 +426,12 @@ declare namespace Joi {
          * Validate the domain component using the options specified in `string.domain()`.
          */
         domain?: DomainOptions;
+        /**
+         * Encode URI before validation.
+         * 
+         * @default false
+         */
+        encodeUri?: boolean;
     }
 
     interface DataUriOptions {

lib/types/string.js

@@ -649,7 +649,7 @@ module.exports = Any.extend({
         uri: {
             method(options = {}) {
 
-                Common.assertOptions(options, ['allowRelative', 'allowQuerySquareBrackets', 'domain', 'relativeOnly', 'scheme']);
+                Common.assertOptions(options, ['allowRelative', 'allowQuerySquareBrackets', 'domain', 'relativeOnly', 'scheme', 'encodeUri']);
 
                 if (options.domain) {
                     Common.assertOptions(options.domain, ['allowFullyQualified', 'allowUnicode', 'maxDomainSegments', 'minDomainSegments', 'tlds']);
@@ -665,6 +665,10 @@ module.exports = Any.extend({
                     return helpers.error('string.uri');
                 }
 
+                if (helpers.prefs.convert && options.encodeUri) {
+                    value = encodeURI(value);
+                }
+
                 const match = regex.exec(value);
                 if (match) {
                     const matched = match[1] || match[2];
@@ -686,6 +690,10 @@ module.exports = Any.extend({
                     return helpers.error('string.uriCustomScheme', { scheme, value });
                 }
 
+                if (options.encodeUri) {
+                    return helpers.error('string.uriEncoding');
+                }
+
                 return helpers.error('string.uri');
             }
         }
@@ -736,6 +744,7 @@ module.exports = Any.extend({
         'string.uri': '{{#label}} must be a valid uri',
         'string.uriCustomScheme': '{{#label}} must be a valid uri with a scheme matching the {{#scheme}} pattern',
         'string.uriRelativeOnly': '{{#label}} must be a valid relative uri',
+        'string.uriEncoding': '{{#label}} must contain only valid characters or "convert" must be allowed',
         'string.uppercase': '{{#label}} must only contain uppercase characters'
     }
 });

test/types/string.js

@@ -9012,6 +9012,29 @@ describe('string', () => {
             ]);
         });
 
+        it('validates uri with accented characters with encoding', () => {
+
+            const schema = Joi.string().uri({ encodeUri: true });
+
+            Helper.validate(schema, { convert: true }, [
+                ['https://linkedin.com/in/aïssa/', true, 'https://linkedin.com/in/a%C3%AFssa/']
+            ]);
+        });
+
+        it('validates uri with accented characters without encoding', () => {
+
+            const schema = Joi.string().uri({ encodeUri: true });
+
+            Helper.validate(schema, { convert: false }, [
+                ['https://linkedin.com/in/aïssa/', false, {
+                    message: '"value" must contain only valid characters or "convert" must be allowed',
+                    path: [],
+                    type: 'string.uriEncoding',
+                    context: { value: 'https://linkedin.com/in/aïssa/', label: 'value' }
+                }]
+            ]);
+        });
+
         it('errors on unknown options', () => {
 
             expect(() => Joi.string().uri({ foo: 'bar', baz: 'qux' })).to.throw('Options contain unknown keys: foo,baz');