def find_key_files(results):
''' PackagedPrivateKey
------------------
Summary: Packaged private key
Priority: 8 / 10
Severity: Fatal
Category: Security
In general, you should not package private key files inside your app.
'''
if len(common.keyFiles)>0:
possibleKeyFiles=common.text_scan(common.keyFiles,r'PRIVATE\sKEY')
if len(possibleKeyFiles)>0:
for f in possibleKeyFiles:
common.logger.debug("It appears there is a private key embedded in your application: " + str(f))
issue = ReportIssue()
issue.setCategory(ExploitType.CRYPTO)
issue.setDetails("It appears there is a private key embedded in your application in the following file:")
issue.setFile(str(f))
issue.setSeverity(Severity.VULNERABILITY)
results.append(issue)
issue = terminalPrint()
issue.setLevel(Severity.VULNERABILITY)
issue.setData("It appears there is a private key embedded in your application in the following file:")
results.append(issue)
return
def find_key_files(results):
''' PackagedPrivateKey
------------------
Summary: Packaged private key
Priority: 8 / 10
Severity: Fatal
Category: Security
In general, you should not package private key files inside your app.
'''
if len(common.keyFiles) > 0:
possibleKeyFiles = common.text_scan(common.keyFiles, r'PRIVATE\sKEY')
if len(possibleKeyFiles) > 0:
for f in possibleKeyFiles:
common.logger.debug(
"It appears there is a private key embedded in your application: "
+ str(f))
issue = ReportIssue()
issue.setCategory(ExploitType.CRYPTO)
issue.setDetails(
"It appears there is a private key embedded in your application in the following file:"
)
issue.setFile(str(f))
issue.setSeverity(Severity.VULNERABILITY)
results.append(issue)
issue = terminalPrint()
issue.setLevel(Severity.VULNERABILITY)
issue.setData(
"It appears there is a private key embedded in your application in the following file:"
)
results.append(issue)
return
def find_intent_files():
"""
Find all files declaring or using intents in the application
"""
common.logger.info("Attempting to trace Intent Sources to Sinks")
int_files = []
int_dec_list = []
int_dec_list.append([])
int_rex = r"import\sandroid\.content\.Intent"
# This syntax is deprecated
int_assign_rex1 = r"Intent\s*[A-Za-z0-9_$]+\s*[=;]\s+getIntent\("
int_assign_rex2 = r"[A-Za-z0-9_$]+\s*[=;]\s*Intent\.parseUri\("
int_assign_rex3 = r"Intent\s*[A-Za-z0-9_$]+\s*[=;]\s*new\s+Intent\("
int_files += common.text_scan(common.java_files, int_rex)
for i in int_files:
if len(i) > 0:
tmp = [i[1]]
int_dec_list += common.text_scan(tmp, int_assign_rex1)
int_dec_list += common.text_scan(tmp, int_assign_rex2)
int_dec_list += common.text_scan(tmp, int_assign_rex3)
common.logger.info("Intent Declarations:")
int_dec_list = filter(None, int_dec_list)
for d in int_dec_list:
if len(d) > 0:
d[0] = re.sub(r"\s*[=;]\s*new\s*Intent\(.*", "", str(d[0]))
d[0] = re.sub(r"(final)?\s*Intent\s+", "", str(d[0]))
d[0] = re.sub(r"[=;]\s*getIntent\(.*", "", str(d[0]))
d[0] = re.sub(r"\'", "", str(d[0]))
d[0] = re.sub(r"\"", "", str(d[0]))
d[0] = re.sub(r"\s+", "", str(d[0]))
d[0] = re.sub(r"\[", "", str(d[0]))
d[0] = re.sub(r"\\\\\t", "", str(d[0]))
d[0] = re.sub(r"\\\t", "", str(d[0]))
d[0] = re.sub(r"\\t", "", str(d[0]))
d[0] = str(d[0]).strip("\t\n\r")
common.logger.info(int_dec_list)
return
def find_intent_files():
"""
Find all files declaring or using intents in the application
"""
common.logger.info("Attempting to trace Intent Sources to Sinks")
int_files = []
int_dec_list = []
int_dec_list.append([])
int_rex = r'import\sandroid\.content\.Intent'
#This syntax is deprecated
int_assign_rex1 = r'Intent\s*[A-Za-z0-9_$]+\s*[=;]\s+getIntent\('
int_assign_rex2 = r'[A-Za-z0-9_$]+\s*[=;]\s*Intent\.parseUri\('
int_assign_rex3 = r'Intent\s*[A-Za-z0-9_$]+\s*[=;]\s*new\s+Intent\('
int_files += common.text_scan(common.java_files, int_rex)
for i in int_files:
if len(i) > 0:
tmp = [i[1]]
int_dec_list += common.text_scan(tmp, int_assign_rex1)
int_dec_list += common.text_scan(tmp, int_assign_rex2)
int_dec_list += common.text_scan(tmp, int_assign_rex3)
common.logger.info("Intent Declarations:")
int_dec_list = filter(None, int_dec_list)
for d in int_dec_list:
if len(d) > 0:
d[0] = re.sub(r'\s*[=;]\s*new\s*Intent\(.*', '', str(d[0]))
d[0] = re.sub(r'(final)?\s*Intent\s+', '', str(d[0]))
d[0] = re.sub(r'[=;]\s*getIntent\(.*', '', str(d[0]))
d[0] = re.sub(r'\'', '', str(d[0]))
d[0] = re.sub(r'\"', '', str(d[0]))
d[0] = re.sub(r'\s+', '', str(d[0]))
d[0] = re.sub(r'\[', '', str(d[0]))
d[0] = re.sub(r'\\\\\t', '', str(d[0]))
d[0] = re.sub(r'\\\t', '', str(d[0]))
d[0] = re.sub(r'\\t', '', str(d[0]))
d[0] = str(d[0]).strip('\t\n\r')
common.logger.info(int_dec_list)
return
def find_gradle():
version=0
files=[]
for (dirpath,dirname, filenames) in os.walk(common.sourceDirectory):
for filename in filenames:
if filename=='build.gradle':
files.append(os.path.join(dirpath,filename))
if len(files)>0:
matches=common.text_scan(files,r'def\s_compileSdkVersion\s*=\s*[0-9]+')
#TODO - fix this so we don't have to account for the empty first element
#We skip it if there are multiple build.gradle files, since manual input is unavoidable at that point
if len(matches)==2:
for m in matches:
if len(m)>0:
version=re.compile('\d+')
version=version.findall(str(m[0]))[0]
return version
def find_content_providers():
"""
Find all content providers and return the list
"""
cp_list = common.find_ext('ContentProvider')
growing = 1
#TODO - This is ugly and needs to be re-written
#The intention here is to loop endlessly until all extensions are found
while growing:
cp_list_count_old = len(cp_list)
cp_list += common.tree(cp_list)
if len(cp_list) == cp_list_count_old:
growing = 0
cp_list.append(['ContentProvider', ''])
cp_decs = []
cp_decs.append([])
for x in cp_list:
if len(x) > 0:
tmp = r'' + re.escape(str(x[0])) + r'\s\w+[;=]'
cp_decs += common.text_scan(common.java_files, tmp)
tmp = r'(private .*|protected.*)' + re.escape(str(
x[0])) + r'\s\w+;'
cp_decs += common.text_scan(common.java_files, tmp)
tmp = r'\w+\s[;=]\snew\s' + re.escape(str(x[0])) + r'\('
cp_decs += common.text_scan(common.java_files, tmp)
tmp = r'\(.*' + re.escape(
str(x[0])
) + r'\s\w+.*\)' # Need to ensure this is working properly
tmp_list2 = []
tmp_list2.append([])
for z in cp_decs:
if len(z) > 0:
#conditional declarations will cause conditional positives
#BUG sometimes Z[0] is a list, rather than just a list element. Need to separate, remove and re-parse
if (len(z[0]) > 1 and not isinstance(z[0], str)):
for x in z[0]:
foo = [x, z[1]]
tmp_list2.append(foo)
cp_decs.pop()
continue
else:
tmp_list2.append(z)
else:
tmp_list2.append(z)
tmp_list2 = filter(None, tmp_list2)
for y in tmp_list2:
if len(y) > 0:
y[0] = re.sub(r';\\n', '', str(y[0]).strip('[]\''))
y[0] = re.sub(r'\\t*', '', y[0])
y[0] = re.sub(r'\s*private\b', '', y[0])
y[0] = re.sub(r'\s*protected\b', '', y[0])
y[0] = re.sub(r'\s*static\b', '', y[0])
y[0] = re.sub(r'^\s*ContentProvider\b', '', y[0])
y[0] = re.sub(r'\s*[;=]\s*new\sContentProvider\s.*', '', y[0])
y[0] = re.sub(r'\s*[;=]\s*new\s\w+\(.*\)', '', y[0])
y[0] = re.sub(r'^\s*', '', y[0])
y[0] = re.sub(r'\s*$', '', y[0])
y[0] = re.sub(r'^\w+\s', '', y[0])
y[0] = re.sub(r';$', '', y[0])
#remove whitespace
y[0] = y[0].strip(' \t\r\n')
tmp_list2 = common.dedup(tmp_list2)
return tmp_list2
def find_extras(stub_file_name, path):
"""
Find all extras given a filename
"""
#TODO - This needs to be gutted and re-writtten
extras = []
filename = re.search(r'\w+$', stub_file_name)
filename = filename.group()
fname = common.grep(path, r'' + str(filename) + '\.java')
rextras = []
rextras.append(r'getExtras\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getStringExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getIntExtra\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getIntArrayExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getFloatExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getFloatArrayExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getDoubleExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getDoubleArrayExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getCharExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getCharArrayExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getByteExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getByteArrayExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getBundleExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getBooleanExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getBooleanArrayExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getCharSequenceArrayExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getCharSequenceArrayListExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getCharSequenceExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getInterArrayListExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getLongArrayExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getLongExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getParcelableArrayExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getParcelableArrayListExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getParcelableExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getSeriablizableExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getShortArrayExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getShortExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getStringArrayExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getStringArrayListExtra\(\s*[0-9A-Za-z_\"\'.]+')
#These are not necessarily Intent extras, but may contain them
rextras.append(r'getString\(\s*[0-9A-Za-z_\"\'.]+')
#TODO add data types to the extras, so we can provide better suggestions
if len(fname) > 0:
x_tmp = []
x_tmp.append([])
for r in rextras:
x_tmp = common.text_scan(fname, r)
for m in x_tmp:
if len(m) > 0:
i = 0
for l in m:
if type(l) is list:
sigh = []
for s in l:
sigh.append(re.sub(r'.*\(', '', str(s)))
sigh[i] = re.sub(r'\).*', '', sigh[i])
sigh[i] = re.sub(r'\s*,.*', '', sigh[i])
extras += sigh
i += 1
extras = common.dedup(extras)
if len(extras) < 1:
common.logger.debug("No extras found in " + str(fname[0]) +
" to suggest.\n")
common.parsingerrors.add(str(fname[0]))
else:
#BUG - seems like a flow can come here without the fname; Ex: Flagship S - 4
common.logger.error(
"Sorry, we could not find a filename while looking for extras\n")
#Trying to get rid of empty first element
return extras
def find_webviews():
"""
Finds all webviews in the decompiled source code
"""
#1. Look for classes that extend WebView
#Find classes that extend Web View
wv_list = find_ext('WebView')
#2. Look for classes that extend classes that extend WebView
while len(common.tree(wv_list)) > 1:
wv_list += common.tree(wv_list)
wv_list.append(['WebView', ''])
#3. Cleanup?
#4. Look for all declaration of WebViews using normal and extended class names
#BUG sometimes multiple declarations are coming back for z[0], need to figure out what is going on there
#Currently there may be false negatives
#BUG - Need to review this for optional/multiple spaces
wv_decs = []
wv_decs.append([])
for x in wv_list:
if len(x) > 0:
tmp = r'' + re.escape(str(x[0])) + r'\s\w+[;=]'
wv_decs += common.text_scan(common.java_files, tmp)
tmp = r'(private .*|protected.*)' + re.escape(str(
x[0])) + r'\s\w+;'
wv_decs += common.text_scan(common.java_files, tmp)
tmp = r'\w+\s[;=]\snew\s' + re.escape(str(x[0])) + r'\('
wv_decs += common.text_scan(common.java_files, tmp)
tmp = r'\(.*' + re.escape(
str(x[0])
) + r'\s\w+.*\)' # Need to ensure this is working properly
tmp_list2 = []
tmp_list2.append([])
for z in wv_decs:
if len(z) > 0:
#conditional declarations will cause conditional positives
#BUG sometimes Z[0] is a list, rather than just a list element. Need to separate, remove and re-parse
if (len(z[0]) > 1 and not isinstance(z[0], str)):
for x in z[0]:
foo = [x, z[1]]
tmp_list2.append(foo)
wv_decs.pop()
continue
else:
tmp_list2.append(z)
else:
tmp_list2.append(z)
tmp_list2 = filter(None, tmp_list2)
for y in tmp_list2:
if len(y) > 0:
y[0] = re.sub(r';\\n', '', str(y[0]).strip('[]\''))
y[0] = re.sub(r'\\t*', '', y[0])
y[0] = re.sub(r'\s*private\b', '', y[0])
y[0] = re.sub(r'\s*protected\b', '', y[0])
y[0] = re.sub(r'\s*static\b', '', y[0])
y[0] = re.sub(r'^\s*WebView\b', '', y[0])
y[0] = re.sub(r'\s*[;=]\s*new\sWebView\s.*', '', y[0])
y[0] = re.sub(r'\s*[;=]\s*new\s\w+\(.*\)', '', y[0])
y[0] = re.sub(r'^\s*', '', y[0])
y[0] = re.sub(r'\s*$', '', y[0])
y[0] = re.sub(r'^\w+\s', '', y[0])
y[0] = re.sub(r';$', '', y[0])
#remove whitespace
y[0] = y[0].strip(' \t\r\n')
tmp_list2 = common.dedup(tmp_list2)
return tmp_list2
def find_content_providers():
"""
Find all content providers and return the list
"""
cp_list=common.find_ext('ContentProvider')
growing=1
#TODO - This is ugly and needs to be re-written
#The intention here is to loop endlessly until all extensions are found
while growing:
cp_list_count_old=len(cp_list)
cp_list+=common.tree(cp_list)
if len(cp_list) == cp_list_count_old:
growing=0
cp_list.append(['ContentProvider',''])
cp_decs=[]
cp_decs.append([])
for x in cp_list:
if len(x)>0:
tmp=r''+re.escape(str(x[0]))+r'\s\w+[;=]'
cp_decs+=common.text_scan(common.java_files,tmp)
tmp=r'(private .*|protected.*)'+ re.escape(str(x[0]))+r'\s\w+;'
cp_decs+=common.text_scan(common.java_files,tmp)
tmp=r'\w+\s[;=]\snew\s'+re.escape(str(x[0]))+r'\('
cp_decs+=common.text_scan(common.java_files,tmp)
tmp=r'\(.*'+re.escape(str(x[0]))+r'\s\w+.*\)' # Need to ensure this is working properly
tmp_list2=[]
tmp_list2.append([])
for z in cp_decs:
if len(z)>0:
#conditional declarations will cause conditional positives
#BUG sometimes Z[0] is a list, rather than just a list element. Need to separate, remove and re-parse
if (len(z[0])>1 and not isinstance(z[0],str)):
for x in z[0]:
foo=[x,z[1]]
tmp_list2.append(foo)
cp_decs.pop()
continue
else:
tmp_list2.append(z)
else:
tmp_list2.append(z)
tmp_list2=filter(None,tmp_list2)
for y in tmp_list2:
if len(y)>0:
y[0]=re.sub(r';\\n','',str(y[0]).strip('[]\''))
y[0]=re.sub(r'\\t*','',y[0])
y[0]=re.sub(r'\s*private\b','',y[0])
y[0]=re.sub(r'\s*protected\b','',y[0])
y[0]=re.sub(r'\s*static\b','',y[0])
y[0]=re.sub(r'^\s*ContentProvider\b','',y[0])
y[0]=re.sub(r'\s*[;=]\s*new\sContentProvider\s.*','',y[0])
y[0]=re.sub(r'\s*[;=]\s*new\s\w+\(.*\)','',y[0])
y[0]=re.sub(r'^\s*','',y[0])
y[0]=re.sub(r'\s*$','',y[0])
y[0]=re.sub(r'^\w+\s','',y[0])
y[0]=re.sub(r';$','',y[0])
#remove whitespace
y[0]=y[0].strip(' \t\r\n')
tmp_list2=common.dedup(tmp_list2)
return tmp_list2
def find_extras(stub_file_name,path):
"""
Find all extras given a filename
"""
#TODO - This needs to be gutted and re-writtten
extras=[]
filename=re.search(r'\w+$',stub_file_name)
filename=filename.group()
fname=common.grep(path,r''+str(filename)+'\.java')
rextras=[]
rextras.append(r'getExtras\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getStringExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getIntExtra\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getIntArrayExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getFloatExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getFloatArrayExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getDoubleExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getDoubleArrayExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getCharExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getCharArrayExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getByteExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getByteArrayExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getBundleExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getBooleanExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getBooleanArrayExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getCharSequenceArrayExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getCharSequenceArrayListExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getCharSequenceExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getInterArrayListExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getLongArrayExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getLongExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getParcelableArrayExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getParcelableArrayListExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getParcelableExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getSeriablizableExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getShortArrayExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getShortExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getStringArrayExtra\(\s*[0-9A-Za-z_\"\'.]+')
rextras.append(r'getStringArrayListExtra\(\s*[0-9A-Za-z_\"\'.]+')
#These are not necessarily Intent extras, but may contain them
rextras.append(r'getString\(\s*[0-9A-Za-z_\"\'.]+')
#TODO add data types to the extras, so we can provide better suggestions
if len(fname)>0:
x_tmp=[]
x_tmp.append([])
for r in rextras:
x_tmp=common.text_scan(fname,r)
for m in x_tmp:
if len(m)>0:
i=0
for l in m:
if type(l) is list:
sigh=[]
for s in l:
sigh.append(re.sub(r'.*\(','',str(s)))
sigh[i]=re.sub(r'\).*','',sigh[i])
sigh[i]=re.sub(r'\s*,.*','',sigh[i])
extras+=sigh
i+=1
extras=common.dedup(extras)
if len(extras)<1:
common.logger.debug("No extras found in " + str(fname[0]) + " to suggest.\n")
common.parsingerrors.add(str(fname[0]))
else:
#BUG - seems like a flow can come here without the fname; Ex: Flagship S - 4
common.logger.error("Sorry, we could not find a filename while looking for extras\n")
#Trying to get rid of empty first element
return extras
def find_webviews():
"""
Finds all webviews in the decompiled source code
"""
#1. Look for classes that extend WebView
#Find classes that extend Web View
wv_list=find_ext('WebView')
#2. Look for classes that extend classes that extend WebView
while len(common.tree(wv_list)) > 1:
wv_list+=common.tree(wv_list)
wv_list.append(['WebView',''])
#3. Cleanup?
#4. Look for all declaration of WebViews using normal and extended class names
#BUG sometimes multiple declarations are coming back for z[0], need to figure out what is going on there
#Currently there may be false negatives
#BUG - Need to review this for optional/multiple spaces
wv_decs=[]
wv_decs.append([])
for x in wv_list:
if len(x)>0:
tmp=r''+re.escape(str(x[0]))+r'\s\w+[;=]'
wv_decs+=common.text_scan(common.java_files,tmp)
tmp=r'(private .*|protected.*)'+ re.escape(str(x[0]))+r'\s\w+;'
wv_decs+=common.text_scan(common.java_files,tmp)
tmp=r'\w+\s[;=]\snew\s'+re.escape(str(x[0]))+r'\('
wv_decs+=common.text_scan(common.java_files,tmp)
tmp=r'\(.*'+re.escape(str(x[0]))+r'\s\w+.*\)' # Need to ensure this is working properly
tmp_list2=[]
tmp_list2.append([])
for z in wv_decs:
if len(z)>0:
#conditional declarations will cause conditional positives
#BUG sometimes Z[0] is a list, rather than just a list element. Need to separate, remove and re-parse
if (len(z[0])>1 and not isinstance(z[0],str)):
for x in z[0]:
foo=[x,z[1]]
tmp_list2.append(foo)
wv_decs.pop()
continue
else:
tmp_list2.append(z)
else:
tmp_list2.append(z)
tmp_list2=filter(None,tmp_list2)
for y in tmp_list2:
if len(y)>0:
y[0]=re.sub(r';\\n','',str(y[0]).strip('[]\''))
y[0]=re.sub(r'\\t*','',y[0])
y[0]=re.sub(r'\s*private\b','',y[0])
y[0]=re.sub(r'\s*protected\b','',y[0])
y[0]=re.sub(r'\s*static\b','',y[0])
y[0]=re.sub(r'^\s*WebView\b','',y[0])
y[0]=re.sub(r'\s*[;=]\s*new\sWebView\s.*','',y[0])
y[0]=re.sub(r'\s*[;=]\s*new\s\w+\(.*\)','',y[0])
y[0]=re.sub(r'^\s*','',y[0])
y[0]=re.sub(r'\s*$','',y[0])
y[0]=re.sub(r'^\w+\s','',y[0])
y[0]=re.sub(r';$','',y[0])
#remove whitespace
y[0]=y[0].strip(' \t\r\n')
tmp_list2=common.dedup(tmp_list2)
return tmp_list2