X-Git-Url: http://git.tomasm.cz/krypto.git/blobdiff_plain/df0003e93591f53b015980aaaec0a68f8e565ead..ff64586f890b9147d23914acc461c98d000eaa0c:/robot.py

diff --git a/robot.py b/robot.py
index e2b3820..79282fc 100755
--- a/robot.py
+++ b/robot.py
@@ -1,5 +1,7 @@
 #!/usr/bin/env python
 
+"""Mailove rozhrani pro sadu kryptoanalytickych nastroju."""
+
 import sys
 import smtplib
 import email
@@ -9,10 +11,12 @@ from ocesavac import ocesat
 import jakobsen
 from jakobsen import reference
 import koincidence
+import posuny
 import pickle
 import os
-
-ABECEDA = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+import re
+from spolecne import ABECEDA
+import vigenere
 
 class settings:
     pass
@@ -20,12 +24,16 @@ class settings:
 settings = pickle.load(open('./robot_settings'))
 os.chdir(settings.path)
 
-def posli_mail(komu, co, text):
+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:
+        soubor = open(loguj, 'w')
+        soubor.write(msg.as_string())
+        soubor.close()
 
 # Cteni mailu
 mail = email.message_from_file(sys.stdin)
@@ -34,24 +42,52 @@ 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."
+    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 + " H\" Tato napoveda.\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 "
+               "alespon trochu smysl (nedoporucuji).\n"
+               "\"", settings.subject, " H\" Tato napoveda.\n"
                "\nVolby (mimo \"H\") je mozno libovolne kombinovat.\n"
-               "\nS pozdravem\nVas Robot\n")
+               "Napriklad \"", settings.subject, " LXB\" analyzuje posledni "
+               "prijatou zpravu s vynucenim analyzy bez mezer a navic vypise "
+               "cetnosti bigramu.\n"
+               "\nS pozdravem\nVas Robot\n"))
     sys.exit()
 if 'L' in opsny:
     mail = pickle.load(open('./msg_last.tmp'))
-    if (mail['From'] != odesilatel):
+    m1 = re.match(r".*\<(.*)\>.*", mail['From'])
+    m2 = re.match(r".*\<(.*)\>.*", odesilatel)
+    if m1:
+        f1 = m1.group(1)
+    else:
+        f1 = mail['From']
+    if m2:
+        f2 = m2.group(1)
+    else:
+        f2 = odesilatel
+    if (f1 != f2):
         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 = []
@@ -61,57 +97,37 @@ 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
-elif 'M' in opsny:
-    mod_m = False
-elif ' ' in ocesat(zprava, True):
+if 'A' in opsny:
+    mod_x = True
     mod_m = True
-else:
-    mod_m = False    
-if mod_m:
-    analyza.append("\nAnalyza s mezerami.")
-else:
-    analyza.append("\nAnalyza bez mezer.")
+if not mod_m and not mod_x:
+    if ' ' in ocesat(zprava, True)[1:-1]:
+        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))))
+    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)))
-
-# Index koincidence
-# TODO verze s mezerami
-analyza.append("\nIndexy koincidence (vzdy bez mezer):")
-analyza.append(koincidence.tabulka_indexu(zprava))
-
-# Jakobsen
-# TODO verze bez mezer
-if mod_m:
-    analyza.append("\nJakobsen:")
-    analyza.append(jakobsen.desifruj(zprava, './ref'))
-
-# Posuny v abecede
-analyza.append("\nPosuny v abecede:")
-
-def posun(char):
-    if 65 <= ord(char) < 90:
-        return chr(ord(char) + 1)
-    if ord(char) == 90:
-        return 'A'
-    else:
-        return char
-
-posunuty = zprava
-for i in range(26):
-    posunuty = map(posun, posunuty)
-    analyza.append(''.join(posunuty))
+    analyza.append('{0:.3}'.format(
+                   float(sum([len(word) for word in slova]))/len(slova)))
 
 # Frekvence znaku 
 analyza.append("\nFrekvencni analyza:")
@@ -126,47 +142,79 @@ 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
+if mod_m:
+    analyza.append("\nIndex koincidence (s mezerami):")
+    analyza.append('{0:.2%}'.format(
+                   koincidence.index_koincidence(zprava, True)))
+if mod_x and len(zprava) >= 10:
+    #TODO tady by se spravne mela porovnavat delka ocesane zpravy
+    analyza.append("\nIndexy koincidence (bez mezer):")
+    analyza.append(koincidence.tabulka_indexu(zprava))
+
+# Vigenere
+if 'V' in opsny:
+    # TODO?poradne cteni opsnu
+    analyza.append("\nHeslo k Vigenerovi (" + opsny[-1] + "):")
+    vig_heslo, vig_text = vigenere.vsechno(zprava, int(opsny[-1]))
+    analyza.append(vig_heslo)
+    analyza.append(vig_text)
+
+# Jakobsen
+if mod_m:
+    analyza.append("\nJakobsen (s mezerami):")
+    analyza.append(jakobsen.desifruj(zprava))
+if mod_x:
+    analyza.append("\nJakobsen (bez mezer):")
+    analyza.append(jakobsen.desifruj(zprava, False))
+
+# 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
-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))
+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"]))
 
-# Kompozice odpovedi
-msg = MIMEText("\n".join(analyza))
-msg['Subject'] = "Analyza Vasi zpravy"
-msg['From'] = settings.name + " <" + settings.mail  + ">"
-msg['To'] = odesilatel
-
 # Odeslani odpovedi
-s = smtplib.SMTP('localhost')
-s.sendmail(settings.mail, odesilatel, msg.as_string())
-s.quit()
-
-# Zalogovani posledni zpravy
-f = open('./robot_last.tmp', 'w')
-f.write(msg.as_string())
-f.close()
+posli_mail(odesilatel,
+           "Analyza Vasi zpravy",
+           "\n".join(analyza),
+           './robot_last.tmp')
 
 f = open('./msg_last.tmp', 'w')
 pickle.dump(mail, f)
 f.close()
 
 f = open('./robot.log', 'a')
-f.write(asctime() + " " +  odesilatel + "\n")
+m = re.match(r".*\<(.*)\>.*", odesilatel)
+if m:
+    odesilatel2 = m.group(1)
+else:
+    odesilatel2 = odesilatel
+f.write(asctime() + " " +  odesilatel2 + " " + opsny + "\n")
 f.close()