X-Git-Url: http://git.tomasm.cz/krypto.git/blobdiff_plain/049578f7a3c8d48ac92a83eff1dcb3ee1943c6c9..e3f91bea0ff143bca677d5d14151990a3f08108e:/robot.py diff --git a/robot.py b/robot.py index a49c337..baa866c 100755 --- a/robot.py +++ b/robot.py @@ -1,20 +1,20 @@ #!/usr/bin/env python +"""Mailove rozhrani pro sadu kryptoanalytickych nastroju.""" + +import os import sys +import re import smtplib import email from email.mime.text import MIMEText from time import asctime -from ocesavac import ocesat -import jakobsen -from jakobsen import reference -import koincidence -import posuny import pickle -import os -import re -ABECEDA = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' +from ocesavac import ocesat +from jakobsen import reference +from spolecne import ABECEDA +import krypto class settings: pass @@ -22,16 +22,16 @@ class settings: settings = pickle.load(open('./robot_settings')) os.chdir(settings.path) -def posli_mail(komu, co, text, loguj=None): +def posli_mail(komu, predmet, text, loguj=None): msg = MIMEText(text) - msg['Subject'] = co + msg['Subject'] = predmet msg['From'] = settings.name + " <" + settings.mail + ">" msg['To'] = komu smtplib.SMTP('localhost').sendmail(settings.mail, komu, msg.as_string()) if loguj: - f = open(loguj, 'w') - f.write(msg.as_string()) - f.close() + soubor = open(loguj, 'w') + soubor.write(msg.as_string()) + soubor.close() # Cteni mailu mail = email.message_from_file(sys.stdin) @@ -39,26 +39,30 @@ predmet, _, opsny = mail['Subject'].strip().upper().partition(' ') odesilatel = mail['From'] if predmet != settings.subject: sys.exit() + if opsny == 'H': - posli_mail(odesilatel, "Napoveda", "Napoveda:\n" - "Prikazy robotovi vkladejte do predmetu zpravy zaslane na adresu " + - settings.mail + ".\nNa velikosti pismen nezalezi." + #TODO dokumentace k Vigenerovi + #TODO dokumentace k L + posli_mail(odesilatel, "Napoveda", ''.join(["Napoveda:\n" + "Prikazy robotovi vkladejte do predmetu zpravy " + "zaslane na adresu ", + settings.mail, ".\nNa velikosti pismen nezalezi." "\n\nSeznam prikazu:\n" - "\"" + settings.subject + "\" Analyza zpravy z tela mailu.\n" - "\"" + settings.subject + " L\" Opakovana analyza posledni zpravy.\n" + - "\"" + settings.subject + " X\" Vynuti analyzu bez mezer.\n" - "\"" + settings.subject + " M\" Vynuti analyzu s mezerami.\n" - "\"" + settings.subject + " B\" Vypise cetnost vsech bigramu.\n" - "\"" + settings.subject + " P\" Vypise vsechny posunuti textu.\n" - "\"" + settings.subject + " A\" Vypise uplne vsechno co dava " + "\"", settings.subject, "\" Analyza zpravy z tela mailu.\n" + "\"", settings.subject, " X\" Vynuti analyzu bez mezer.\n" + "\"", settings.subject, " M\" Vynuti analyzu s mezerami.\n" + "\"", settings.subject, " B\" Vypise cetnost vsech bigramu.\n" + "\"", settings.subject, " P\" Vypise vsechny posunuti textu.\n" + "\"", settings.subject, " A\" Vypise uplne vsechno co dava " "alespon trochu smysl (nedoporucuji).\n" - "\"" + settings.subject + " H\" Tato napoveda.\n" + "\"", settings.subject, " H\" Tato napoveda.\n" "\nVolby (mimo \"H\") je mozno libovolne kombinovat.\n" - "Napriklad \"" + settings.subject + " LXB\" analyzuje posledni " + "Napriklad \"", settings.subject, " LXB\" analyzuje posledni " "prijatou zpravu s vynucenim analyzy bez mezer a navic vypise " "cetnosti bigramu.\n" - "\nS pozdravem\nVas Robot\n") + "\nS pozdravem\nVas Robot\n"])) sys.exit() + if 'L' in opsny: mail = pickle.load(open('./msg_last.tmp')) m1 = re.match(r".*\<(.*)\>.*", mail['From']) @@ -75,105 +79,25 @@ if 'L' in opsny: posli_mail(odesilatel, "Omluva", "Omlouvam se," " ale Vase zprava uz bohuzel neni na serveru ulozena.\n") sys.exit() -telo = mail.get_payload().strip() -if len(telo) < 2: + +if mail.is_multipart(): + telo = mail.get_payload(0).get_payload().strip() +else: + telo = mail.get_payload().strip() + +if len(ocesat(telo, False)) < 2: + posli_mail(odesilatel, "Omluva", "Omlouvam se," + " ale Vase zprava je prilis kratka.\n") sys.exit() zprava = telo.upper() -analyza = [] - -# Puvodni zprava -analyza.append("Puvodni zprava:") -analyza.append(telo) - -# Prepinani spacemodu -mod_m = False -mod_x = False -if 'X' in opsny: - mod_x = True -if 'M' in opsny: - mod_m = True -if 'A' in opsny: - mod_x = True - mod_m = True -if not mod_m and not mod_x: - if ' ' in ocesat(zprava, True): - mod_m = True - analyza.append("\nAutomaticky zvolena analyza s mezerami.") - else: - mod_x = True - analyza.append("\nAutomaticky zvolena analyza bez mezer.") - -# Zakladni udaje -analyza.append("\nZakladni udaje:") -if mod_m: - analyza.append("Delka zpravy (vcetne mezer a zvlastnich znaku): " + str(len(zprava))) -analyza.append("Delka zpravy (bez mezer a zvlastnich znaku): " + str(len(ocesat(zprava, False)))) - -# Prumerna delka slova -if mod_m: - analyza.append("\nPrumerna delka slova:") - slova = ocesat(zprava, True).split() - analyza.append('{0:.3}'.format(float(sum([len(word) for word in slova]))/len(slova))) - -# Frekvence znaku -analyza.append("\nFrekvencni analyza:") -freq = dict() -for char in ABECEDA: - freq[char] = 0 -for char in zprava: - if char in freq: - freq[char] += 1 -celkem = sum(freq.values()) -for char in sorted(freq, key=freq.get, reverse=True): - analyza.append('{0} {1:>3} {2:>6.2%}'.format(char, freq[char], - float(freq[char])/celkem)) - -# Index koincidence -# TODO verze s mezerami -analyza.append("\nIndexy koincidence (vzdy bez mezer):") -analyza.append(koincidence.tabulka_indexu(zprava)) - -# Jakobsen -if mod_m: - analyza.append("\nJakobsen (s mezerami):") - analyza.append(jakobsen.desifruj(zprava, './ref')) -if mod_x: - analyza.append("\nJakobsen (bez mezer):") - analyza.append(jakobsen.desifruj(zprava, './bref')) - -# Posuny v abecede -(posun, posunuty_text) = posuny.nejlepsi(zprava) -if 'P' in opsny or 'A' in opsny: - analyza.append("\nPosuny v abecede (nejlepsi posun {0}):".format(posun)) - analyza.append("\n".join("{0:>2} {1}".format(i + 1, posuny.vsechny(zprava)[i]) for i in range(26))) -else: - analyza.append("\nNejlepsi posun ({0}):".format(posun)) - analyza.append(posunuty_text) - -# Bigramy -if ('B' in opsny or 'A' in opsny): - analyza.append("\nBigramy podle cetnosti:") - bigramy = dict() - for i in ABECEDA: - for j in ABECEDA: - bigramy[i+j] = 0 - for i in range(0, len(zprava)-1): - if zprava[i:i+2] in bigramy: - bigramy[zprava[i:i+2]] += 1 - celkem = sum(bigramy.values()) - for char in sorted(bigramy, key=bigramy.get, reverse=True): - if bigramy[char] == 0: - break - analyza.append('{0} {1:>3} {2:>6.2%}'.format(char, bigramy[char], - float(bigramy[char])/celkem)) - -# Podpis a pozdrav -analyza.append(''.join(["\nS pozdravem\nVas Robot\n" - "\n--\nPro napovedu zaslete mail s predmetem \"", - settings.subject," H\".\n"])) - -# Odeslani odpovedi -posli_mail(odesilatel, "Analyza Vasi zpravy", "\n".join(analyza), './robot_last.tmp') + +analyza = krypto.analyza(zprava, opsny) + + +posli_mail(odesilatel, + "Analyza Vasi zpravy", + analyza + "\n\nS pozdravem\nVas Robot", + './robot_last.tmp') f = open('./msg_last.tmp', 'w') pickle.dump(mail, f)