JS: Modeling of underscore.string package#19049
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Napalys merged 24 commits intogithub:mainfrom Mar 20, 2025
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… sources points.
…e it return simple string.
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Co-authored-by: Asgerf <asgerf@github.com>
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| extensible: summaryModel | ||
| data: | ||
| - ["'underscore.string'", "Member[slugify,capitalize,decapitalize,clean,cleanDiacritics,swapCase,escapeHTML,unescapeHTML,wrap,dedent,reverse,pred,succ,titleize,camelize,classify,underscored,dasherize,humanize,trim,ltrim,rtrim,truncate,sprintf,strRight,strRightBack,strLeft,strLeftBack,stripTags,unquote,map]", "Argument[0]", "ReturnValue", "taint"] | ||
| - ["'underscore.string'", "Member[chop,chars,words,lines]", "Argument[0]", "ReturnValue", "taint"] |
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| - ["'underscore.string'", "Member[chop,chars,words,lines]", "Argument[0]", "ReturnValue", "taint"] | |
| - ["'underscore.string'", "Member[chop,chars,words,lines]", "Argument[0]", "ReturnValue.ArrayElement", "taint"] |
This is a bit more precise.
If the whole return value is tainted, the analysis thinks all its properties are tainted too, including .length. You could try adding the test:
sink(s.chop(source("s1"), 3).length);
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It looks like there is still something off with ArrayElement f4ca2dc?
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Some of the tests have a typo, they should access the [0] on the returned array, not on the source string:
sink(s.chars(source("s2")[0])) -> sink(s.chars(source("s2"))[0])I know why the last test is failing but it's complicated. Would you mind leaving it as MISSING: for now?
javascript/ql/lib/semmle/javascript/frameworks/UnderscoreDotString.qll
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This pull request adds package modeling for
underscore.string.