diff options
Diffstat (limited to 'lualib/lua_content/pdf.lua')
| -rw-r--r-- | lualib/lua_content/pdf.lua | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/lualib/lua_content/pdf.lua b/lualib/lua_content/pdf.lua index a5e23d11f..b3c1f6002 100644 --- a/lualib/lua_content/pdf.lua +++ b/lualib/lua_content/pdf.lua @@ -519,7 +519,7 @@ end local process_dict -- This function processes javascript string and returns JS hash and JS rspamd_text -local function process_javascript(task, pdf, js) +local function process_javascript(task, pdf, js, obj) local rspamd_cryptobox_hash = require "rspamd_cryptobox_hash" if type(js) == 'string' then js = rspamd_text.fromstring(js):oneline() @@ -545,6 +545,7 @@ local function process_javascript(task, pdf, js) data = js, hash = hash:hex(), bin_hash = bin_hash, + object = obj, } pdf.scripts[bin_hash] = njs return njs @@ -567,7 +568,7 @@ local function process_action(task, pdf, obj) end end - js = process_javascript(task, pdf, js) + js = process_javascript(task, pdf, js, obj) if js then obj.js = js lua_util.debugm(N, task, 'extracted javascript from %s:%s: %s', @@ -614,6 +615,7 @@ local function process_catalog(task, pdf, obj) lua_util.debugm(N, task, 'found openaction JS in %s:%s: %s', obj.major, obj.minor, action.js) pdf.openaction = action.js + action.js.object = obj elseif action.launch then lua_util.debugm(N, task, 'found openaction launch in %s:%s: %s', obj.major, obj.minor, action.launch) @@ -765,7 +767,7 @@ process_dict = function(task, pdf, obj, dict) end end - js = process_javascript(task, pdf, js) + js = process_javascript(task, pdf, js, obj) if js then obj.js = js lua_util.debugm(N, task, 'extracted javascript from %s:%s: %s', @@ -1243,8 +1245,10 @@ local function process_pdf(input, mpart, task) -- OpenAction only if pdf_object.openaction and pdf_object.openaction.bin_hash then if config.min_js_fuzzy and #pdf_object.openaction.data >= config.min_js_fuzzy then - lua_util.debugm(N, task, "pdf: add fuzzy hash from openaction: %s", - pdf_object.openaction.hash) + lua_util.debugm(N, task, "pdf: add fuzzy hash from openaction: %s; size = %s; object: %s:%s", + pdf_object.openaction.hash, + #pdf_object.openaction.data, + pdf_object.openaction.object.major, pdf_object.openaction.object.minor) table.insert(pdf_output.fuzzy_hashes, pdf_object.openaction.bin_hash) else lua_util.debugm(N, task, "pdf: skip fuzzy hash from Javascript: %s, too short: %s", @@ -1255,8 +1259,10 @@ local function process_pdf(input, mpart, task) -- All hashes for h,sc in pairs(pdf_object.scripts) do if config.min_js_fuzzy and #sc.data >= config.min_js_fuzzy then - lua_util.debugm(N, task, "pdf: add fuzzy hash from Javascript: %s", - sc.hash) + lua_util.debugm(N, task, "pdf: add fuzzy hash from Javascript: %s; size = %s; object: %s:%s", + sc.hash, + #sc.data, + sc.object.major, sc.object.minor) table.insert(pdf_output.fuzzy_hashes, h) else lua_util.debugm(N, task, "pdf: skip fuzzy hash from Javascript: %s, too short: %s", |