diff options
Diffstat (limited to 'common/misc.js')
| -rw-r--r-- | common/misc.js | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/common/misc.js b/common/misc.js index a59ec14..6af2327 100644 --- a/common/misc.js +++ b/common/misc.js @@ -154,6 +154,25 @@ function sign_policy(policy, now, hours_offset) { return gen_unique(time + policy); } +/* Parse a CSP header */ +function parse_csp(csp) { + let directive, directive_array; + let directives = {}; + for (directive of csp.split(';')) { + directive = directive.trim; + if (directive === '') + continue; + + directive_array = directive.split(/\s+/); + directive = directive_array.shift(); + /* The "true" case should never occur; nevertheless... */ + directives[directive] = directive in directives ? + directives[directive].concat(directive_array) : + directive_array; + } + return directives; +} + /* * EXPORTS_START * EXPORT gen_nonce @@ -165,5 +184,6 @@ function sign_policy(policy, now, hours_offset) { * EXPORT nice_name * EXPORT open_in_settings * EXPORT is_privileged_url + * EXPORT parse_csp * EXPORTS_END */ |