sricheck

A GoLang subresource integrity check module

Exported Functions

GenerateSriMap

Used to make integrity attributes from a given resource.

Inputs

• jsSrc string - a string URL to a file, generally JS or CSS

Returns

• a map of hashes for that data (map[string]string). The index, or key, of the map will be a string of the hash algorithm. The value of the map will be the base64 hash for the data
• error

CheckPageIntegrity

Used to check all of the intrgrity attributes on a page.

Inputs

• pageUrl - a string URL to a page

Returns

• Return a boolean value based on the integrity checks - true when all integrity attributes are valid (or not present) and false when an integrity attribute does not check correctly.
• error

PrintPageIntegrityCheckTable

Used to print out (to cli) a nice table for enumerating JS resources, integrity attributes, and their validity.

Inputs

• pageUrl - a string URL to a page

Output

Print a table summarizing all of the JS includes, their integrity attributes, and the validity of integrity attributes

Returns

None

CheckIntegrity

Used to check a provided integrity attribute for a provided URL.

Inputs

• jsSrc - a string URL to a file (generally a JS or CSS file)
• integrity - the string of the integrity attribute

Returns

• a boolean - Returns true for valid and false for invalid
• error

Other Todos:

[ ] Improve testing