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new validator: isMailtoURI, validate the mailto link URI format (#2188)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| import trim from './trim'; | ||
| import isEmail from './isEmail'; | ||
| import assertString from './util/assertString'; | ||
|
|
||
| function parseMailtoQueryString(queryString) { | ||
| const allowedParams = new Set(['subject', 'body', 'cc', 'bcc']), | ||
| query = { cc: '', bcc: '' }; | ||
| let isParseFailed = false; | ||
|
|
||
| const queryParams = queryString.split('&'); | ||
|
|
||
| if (queryParams.length > 4) { | ||
| return false; | ||
| } | ||
|
|
||
| for (const q of queryParams) { | ||
| const [key, value] = q.split('='); | ||
|
|
||
| // checked for invalid and duplicated query params | ||
| if (key && !allowedParams.has(key)) { | ||
| isParseFailed = true; | ||
| break; | ||
| } | ||
|
|
||
| if (value && (key === 'cc' || key === 'bcc')) { | ||
| query[key] = value; | ||
| } | ||
|
|
||
| if (key) { | ||
| allowedParams.delete(key); | ||
| } | ||
| } | ||
|
|
||
| return isParseFailed ? false : query; | ||
| } | ||
|
|
||
| export default function isMailtoURI(url, options) { | ||
| assertString(url); | ||
|
|
||
| if (url.indexOf('mailto:') !== 0) { | ||
| return false; | ||
| } | ||
|
|
||
| const [to = '', queryString = ''] = url.replace('mailto:', '').split('?'); | ||
|
|
||
| if (!to && !queryString) { | ||
| return true; | ||
| } | ||
|
|
||
| const query = parseMailtoQueryString(queryString); | ||
|
|
||
| if (!query) { | ||
| return false; | ||
| } | ||
|
|
||
| return `${to},${query.cc},${query.bcc}` | ||
| .split(',') | ||
| .every((email) => { | ||
| email = trim(email, ' '); | ||
|
|
||
| if (email) { | ||
| return isEmail(email, options); | ||
| } | ||
|
|
||
| return true; | ||
| }); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
|
@@ -14253,4 +14253,55 @@ describe('Validators', () => { | |
| ], | ||
| }); | ||
| }); | ||
| it('should validate mailto URI', () => { | ||
| test({ | ||
| validator: 'isMailtoURI', | ||
| valid: [ | ||
| 'mailto:?subject=something&[email protected]', | ||
| 'mailto:?subject=something&[email protected],[email protected],', | ||
| 'mailto:?subject=something&[email protected]', | ||
| 'mailto:?subject=something&[email protected],[email protected]', | ||
| 'mailto:[email protected],[email protected]', | ||
| 'mailto:[email protected],[email protected]', | ||
| 'mailto:[email protected]', | ||
| 'mailto:[email protected]', | ||
| 'mailto:?subject=something&body=something else', | ||
| 'mailto:?subject=something&body=something else&[email protected],[email protected]', | ||
| 'mailto:?subject=something&body=something else&[email protected],[email protected]', | ||
| 'mailto:?subject=something&body=something else&[email protected]&[email protected],[email protected]', | ||
| 'mailto:[email protected]', | ||
| 'mailto:[email protected]?', | ||
| 'mailto:[email protected]?subject=something', | ||
| 'mailto:[email protected]?subject=something&[email protected]', | ||
| 'mailto:[email protected]?subject=something&[email protected],[email protected],', | ||
| 'mailto:[email protected]?subject=something&[email protected]', | ||
| 'mailto:[email protected]?subject=something&[email protected],[email protected]', | ||
| 'mailto:[email protected][email protected],[email protected]', | ||
| 'mailto:[email protected][email protected],[email protected]', | ||
| 'mailto:[email protected][email protected]', | ||
| 'mailto:[email protected][email protected]&', | ||
| 'mailto:[email protected]?subject=something&body=something else', | ||
| 'mailto:[email protected]?subject=something&body=something else&[email protected],[email protected]', | ||
| 'mailto:[email protected]?subject=something&body=something else&[email protected],[email protected]', | ||
| 'mailto:[email protected]?subject=something&body=something else&[email protected]&[email protected],[email protected]', | ||
| 'mailto:', | ||
| ], | ||
| invalid: [ | ||
| '', | ||
| 'somthing', | ||
| '[email protected]', | ||
| 'mailto:?subject=okay&subject=444', | ||
| 'mailto:?subject=something&wrong=888', | ||
| 'mailto:somename@ｇｍａｉｌ.com', | ||
| 'mailto:[email protected]?cc=somename@ｇｍａｉｌ.com', | ||
| 'mailto:[email protected]?bcc=somename@ｇｍａｉｌ.com', | ||
| 'mailto:[email protected]?bcc=somename@ｇｍａｉｌ.com&bcc', | ||
| 'mailto:[email protected]?subject=anything&body=nothing&cc=&bcc=&key=', | ||
| 'mailto:[email protected]?cc=somename', | ||
| 'mailto:somename', | ||
| 'mailto:[email protected]?subject=something&body=something else&[email protected]&[email protected],[email protected]&', | ||
| 'mailto:?subject=something&body=something else&[email protected]&[email protected],[email protected]&', | ||
| ], | ||
| }); | ||
| }); | ||
| }); | ||