diff options
author | Minteck <contact@minteck.org> | 2023-02-23 19:34:56 +0100 |
---|---|---|
committer | Minteck <contact@minteck.org> | 2023-02-23 19:34:56 +0100 |
commit | 3d1cd02f27518f1a04374c7c8320cd5d82ede6e9 (patch) | |
tree | 75be5fba4368472fb11c8015aee026b2b9a71888 /includes/external/school/node_modules/data-urls/lib/parser.js | |
parent | 8cc1f13c17fa2fb5a4410542d39e650e02945634 (diff) | |
download | pluralconnect-3d1cd02f27518f1a04374c7c8320cd5d82ede6e9.tar.gz pluralconnect-3d1cd02f27518f1a04374c7c8320cd5d82ede6e9.tar.bz2 pluralconnect-3d1cd02f27518f1a04374c7c8320cd5d82ede6e9.zip |
Updated 40 files, added 37 files, deleted 1103 files and renamed 3905 files (automated)
Diffstat (limited to 'includes/external/school/node_modules/data-urls/lib/parser.js')
-rw-r--r-- | includes/external/school/node_modules/data-urls/lib/parser.js | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/includes/external/school/node_modules/data-urls/lib/parser.js b/includes/external/school/node_modules/data-urls/lib/parser.js new file mode 100644 index 0000000..37be0ef --- /dev/null +++ b/includes/external/school/node_modules/data-urls/lib/parser.js @@ -0,0 +1,74 @@ +"use strict"; +const MIMEType = require("whatwg-mimetype"); +const { parseURL, serializeURL } = require("whatwg-url"); +const { + stripLeadingAndTrailingASCIIWhitespace, + stringPercentDecode, + isomorphicDecode, + forgivingBase64Decode +} = require("./utils.js"); + +module.exports = stringInput => { + const urlRecord = parseURL(stringInput); + + if (urlRecord === null) { + return null; + } + + return module.exports.fromURLRecord(urlRecord); +}; + +module.exports.fromURLRecord = urlRecord => { + if (urlRecord.scheme !== "data") { + return null; + } + + const input = serializeURL(urlRecord, true).substring("data:".length); + + let position = 0; + + let mimeType = ""; + while (position < input.length && input[position] !== ",") { + mimeType += input[position]; + ++position; + } + mimeType = stripLeadingAndTrailingASCIIWhitespace(mimeType); + + if (position === input.length) { + return null; + } + + ++position; + + const encodedBody = input.substring(position); + + let body = stringPercentDecode(encodedBody); + + // Can't use /i regexp flag because it isn't restricted to ASCII. + const mimeTypeBase64MatchResult = /(.*); *[Bb][Aa][Ss][Ee]64$/.exec(mimeType); + if (mimeTypeBase64MatchResult) { + const stringBody = isomorphicDecode(body); + body = forgivingBase64Decode(stringBody); + + if (body === null) { + return null; + } + mimeType = mimeTypeBase64MatchResult[1]; + } + + if (mimeType.startsWith(";")) { + mimeType = "text/plain" + mimeType; + } + + let mimeTypeRecord; + try { + mimeTypeRecord = new MIMEType(mimeType); + } catch (e) { + mimeTypeRecord = new MIMEType("text/plain;charset=US-ASCII"); + } + + return { + mimeType: mimeTypeRecord, + body + }; +}; |