def audioConvert(task): task_tag = "CONVERTING SOME AUDIO" print "\n\n************** %s [START] ******************\n" % task_tag print "image preprocessing at %s" % task.doc_id task.setStatus(302) from lib.Worker.Models.uv_document import UnveillanceDocument from conf import DEBUG from vars import ASSET_TAGS media = UnveillanceDocument(_id=task.doc_id) if media is None: print "DOC IS NONE" print "\n\n************** %s [ERROR] ******************\n" % task_tag task.fail() return audio = media.getAsset(task.src_file, return_only="path") if audio is None: print "SOURCE FILE IS NONE" print "\n\n************** %s [ERROR] ******************\n" % task_tag uv_task.fail() return from subprocess import Popen cmd = ["ffmpeg", "-y", "-i", audio, "-vn", "-acodec", "mp2", "-ar", "22050", "-f", task.formats[1], audio.replace(".%s" % task.formats[0], ".%s" % task.formats[1])] p = Popen(cmd) p.wait() task.finish() print "\n\n************** %s [END] ******************\n" % task_tag
def verifySignature(task): task_tag = "VERIFYING SIGNATURE" print "\n\n************** %s [START] ******************\n" % task_tag print "image preprocessing at %s" % task.doc_id task.setStatus(302) from lib.Worker.Models.uv_document import UnveillanceDocument from conf import DEBUG from vars import ASSET_TAGS media = UnveillanceDocument(_id=task.doc_id) if media is None: print "DOC IS NONE" print "\n\n************** %s [ERROR] ******************\n" % task_tag task.fail() return sig = media.getAsset("j3m.sig", return_only="path") j3m = media.getAsset("j3m.json", return_only="path") if DEBUG: print "j3m path: %s, sig path: %s" % (j3m, sig) if sig is None or j3m is None: err_msg = "NO SIGNATURE or J3M" print err_msg print "\n\n************** %s [ERROR] ******************\n" % task_tag task.fail(message=err_msg) return import gnupg from conf import getConfig try: gpg = gnupg.GPG(homedir=getConfig('gpg_homedir')) except Exception as e: print "ERROR INITING GPG" print "\n\n************** %s [ERROR] ******************\n" % task_tag task.fail() return media.j3m_verified = False verified = gpg.verify_file(j3m, sig_file=sig) if DEBUG: print "verified fingerprint: %s" % verified.fingerprint if verified.fingerprint is not None: from json import loads supplied_fingerprint = str(loads( media.loadAsset("j3m.json"))['genealogy']['createdOnDevice']) if verified.fingerprint.upper() == supplied_fingerprint.upper(): if DEBUG: print "SIGNATURE VALID for %s" % verified.fingerprint.upper() media.j3m_verified = True media.save() media.addCompletedTask(task.task_path) task.routeNext() task.finish() print "\n\n************** %s [END] ******************\n" % task_tag