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Gulshan
0d9be5cfac
* fix auth config update * add comment * Consolidate variables --------- Co-authored-by: Joshen Lim <joshenlimek@gmail.com>
47 lines
2.0 KiB
TypeScript
47 lines
2.0 KiB
TypeScript
// Regex from: https://stackoverflow.com/a/68002755/4807782
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// modified to accept numbers in the body of domain though
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// examples of matches:
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// "vercel.com"
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// "www.vercel.com"
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// "uptime-monitor-fe.vercel.app"
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// "https://uptime-monitor-fe.vercel.app/"
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// Supports wildcards, port numbers at the end, paths at the end and query params
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const baseUrlRegex =
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/^((ftp|http|https):\/\/)?(www.)?(?!.*(ftp|http|https|www.))[a-zA-Z0-9_*-]+(\.[a-zA-Z0-9_*-]+)+((\/)[\w#]+)*(\/\w+\?[a-zA-Z0-9_]+=\w+(&[a-zA-Z0-9_]+=\w+)*)+(?:\.[a-z]+)*(?::\d+)?(?![^<]*(?:<\/\w+>|\/?>))(.*)?\/?(.)*?$/gm
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// iOS deep linking scheme https://benoitpasquier.com/deep-linking-url-scheme-ios/
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const appRegex =
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/^[a-z0-9-]+([.][a-z0-9]+)*:\/(\/[-a-z0-9._~!$&'()*+,;=:@%]+)+(?:\.[a-z]+)*(?::\d+)?(?![^<]*(?:<\/\w+>|\/?>))(.*)?\/?(.)*?$/i
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// Regex from https://stackoverflow.com/a/18696953/4807782
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const localhostRegex = /^(?:^|\s)((https?:\/\/)?(?:localhost|[\w-]+(?:\.[\w-]+)+)(:\d+)?(\/\S*)?)/i
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// "chrome-extension://<extension-id>"
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const chromeExtensionRegex = /chrome-extension:\/\/([a-zA-Z]*)/gm
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// New regex for custom scheme URLs
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const customSchemeRegex = /^([a-zA-Z][a-zA-Z0-9+.-]*):(?:\/{1,3})?([a-zA-Z0-9_.-]*)$/
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// Exclude simple domain names without protocol
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const excludeSimpleDomainRegex = /^[a-zA-Z0-9-]+\.[a-zA-Z]{2,}$/
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// combine the above regexes, with optional exclusion of options
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// usage: urlRegex() or urlRegex({ excludeSimpleDomains: false })
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export function urlRegex(
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options: { excludeSimpleDomains?: boolean } = { excludeSimpleDomains: true }
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): RegExp {
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const { excludeSimpleDomains } = options
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const excludeSimpleDomainPart = excludeSimpleDomains
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? `(?!${excludeSimpleDomainRegex.source})`
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: ''
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return new RegExp(
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`${excludeSimpleDomainPart}((${baseUrlRegex.source})|(${localhostRegex.source})|(${appRegex.source})|(${chromeExtensionRegex.source})|(${customSchemeRegex.source}))`,
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'i'
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)
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}
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// Use a const string to represent no chars option. Represented as empty string on the backend side.
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export const NO_REQUIRED_CHARACTERS = 'NO_REQUIRED_CHARS'
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