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string_encode.py
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string_encode.py
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# coding: utf8
import base64
import gzip
import re
import json
import hashlib
import sys
import sublime
import sublime_plugin
import codecs
from .stringencode.escape_table import (
html_escape_table,
html5_escape_table,
html_reserved_list,
xml_escape_table
)
import urllib.parse
quote_plus = urllib.parse.quote_plus
unquote_plus = urllib.parse.unquote_plus
try:
unichr(32)
except NameError:
def unichr(val):
return chr(val)
class StringEncodePaste(sublime_plugin.WindowCommand):
def run(self, **kwargs):
items = [
('Html Entitize', 'html_entitize'),
('Html Deentitize', 'html_deentitize'),
('Unicode Escape', 'unicode_escape'),
('Css Escape', 'css_escape'),
('Css Unescape', 'css_unescape'),
('Safe Html Entitize', 'safe_html_entitize'),
('Safe Html Deentitize', 'safe_html_deentitize'),
('Xml Entitize', 'xml_entitize'),
('Xml Deentitize', 'xml_deentitize'),
('Json Escape', 'json_escape'),
('Json Unescape', 'json_unescape'),
('Url Encode', 'url_encode'),
('Url Decode', 'url_decode'),
('Base64 Encode', 'base64_encode'),
('Base64 Decode', 'base64_decode'),
('Md5 Encode', 'md5_encode'),
('Sha256 Encode', 'sha256_encode'),
('Sha512 Encode', 'sha512_encode'),
('Escape Regex', 'escape_regex'),
('Escape Like', 'escape_like'),
('Hex Dec', 'hex_dec'),
('Dec Hex', 'dec_hex'),
('Unicode Hex', 'unicode_hex'),
('Hex Unicode', 'hex_unicode'),
('Gzip64 Encode', 'gzip64_encode'),
('Gzip64 Decode', 'gzip64_decode'),
]
lines = list(map(lambda line: line[0], items))
commands = list(map(lambda line: line[1], items))
view = self.window.active_view()
if not view:
return
def on_done(item):
if item == -1:
return
view.run_command(commands[item], {'source': 'clipboard'})
self.window.show_quick_panel(lines, on_done)
class StringEncode(sublime_plugin.TextCommand):
def run(self, edit, **kwargs):
regions = self.view.sel()
if kwargs.get('source') == 'clipboard':
del kwargs['source']
text = sublime.get_clipboard()
replacement = self.encode(text, **kwargs)
for region in regions:
if region.empty():
self.view.insert(edit, region.begin(), replacement)
else:
self.view.replace(edit, region, replacement)
return
elif 'source' in kwargs:
self.view.show_popup('Unsupported source {0!r}'.format(kwargs['source']))
return
if any(map(lambda region: region.empty(), regions)):
regions = [sublime.Region(0, self.view.size())]
for region in regions:
text = self.view.substr(region)
replacement = self.encode(text, **kwargs)
self.view.replace(edit, region, replacement)
class Gzip64EncodeCommand(StringEncode):
def encode(self, text):
return base64.b64encode(gzip.compress(bytes(text, 'utf-8'))).decode('ascii')
class Gzip64DecodeCommand(StringEncode):
def encode(self, text):
return gzip.decompress(base64.b64decode(text.rstrip('=') + '===')).decode('utf-8')
class UnicodeEscapeCommand(StringEncode):
def encode(self, text):
return codecs.decode(text, 'unicode-escape')
class HtmlEntitizeCommand(StringEncode):
def encode(self, text):
text = text.replace('&', '&')
for k in html_escape_table:
v = html_escape_table[k]
text = text.replace(k, v)
ret = ''
for i, c in enumerate(text):
if ord(c) > 127:
ret += hex(ord(c)).replace('0x', '&#x') + ';'
else:
ret += c
return ret
class HtmlDeentitizeCommand(StringEncode):
def encode(self, text):
for k in html_escape_table:
v = html_escape_table[k]
text = text.replace(v, k)
for k in html5_escape_table:
v = html5_escape_table[k]
text = text.replace(v, k)
while re.search('&#[xX][a-fA-F0-9]+;', text):
match = re.search('&#[xX]([a-fA-F0-9]+);', text)
text = text.replace(
match.group(0), unichr(int('0x' + match.group(1), 16)))
while re.search('&#[0-9]+;', text):
match = re.search('&#([0-9]+);', text)
text = text.replace(
match.group(0), unichr(int(match.group(1), 10)))
text = text.replace('&', '&')
return text
class CssEscapeCommand(StringEncode):
def encode(self, text):
ret = ''
for i, c in enumerate(text):
if ord(c) > 127:
ret += hex(ord(c)).replace('0x', '\\')
else:
ret += c
return ret
class CssUnescapeCommand(StringEncode):
def encode(self, text):
while re.search(r'\\[a-fA-F0-9]+', text):
match = re.search(r'\\([a-fA-F0-9]+)', text)
text = text.replace(
match.group(0), unichr(int('0x' + match.group(1), 16)))
return text
class SafeHtmlEntitizeCommand(StringEncode):
def encode(self, text):
for k in html_escape_table:
# skip HTML reserved characters
if k in html_reserved_list:
continue
v = html_escape_table[k]
text = text.replace(k, v)
ret = ''
for i, c in enumerate(text):
if ord(c) > 127:
ret += hex(ord(c)).replace('0x', '&#x') + ';'
else:
ret += c
return ret
class SafeHtmlDeentitizeCommand(StringEncode):
def encode(self, text):
for k in html_escape_table:
# skip HTML reserved characters
if k in html_reserved_list:
continue
v = html_escape_table[k]
text = text.replace(v, k)
while re.search('&#[xX][a-fA-F0-9]+;', text):
match = re.search('&#[xX]([a-fA-F0-9]+);', text)
text = text.replace(
match.group(0), unichr(int('0x' + match.group(1), 16)))
while re.search('&#[0-9]+;', text):
match = re.search('&#([0-9]+);', text)
text = text.replace(
match.group(0), unichr(int(match.group(1), 10)))
text = text.replace('&', '&')
return text
class XmlEntitizeCommand(StringEncode):
def encode(self, text):
text = text.replace('&', '&')
for k in xml_escape_table:
v = xml_escape_table[k]
text = text.replace(k, v)
ret = ''
for i, c in enumerate(text):
if ord(c) > 127:
ret += hex(ord(c)).replace('0x', '&#x') + ';'
else:
ret += c
return ret
class XmlDeentitizeCommand(StringEncode):
def encode(self, text):
for k in xml_escape_table:
v = xml_escape_table[k]
text = text.replace(v, k)
text = text.replace('&', '&')
return text
class JsonEscapeCommand(StringEncode):
def encode(self, text):
return json.dumps(text)
class JsonUnescapeCommand(StringEncode):
def encode(self, text):
if text[:1] == "'" and text[-1:] == "'":
return self.encode(text[1:-1])
if text[:1] != '"' and text[-1:] != '"':
return self.encode('"' + text.replace('"', '\\"') + '"')
return json.loads(text)
class UrlEncodeCommand(StringEncode):
def encode(self, text, old_school=True):
quoted = quote_plus(text)
if old_school:
return quoted.replace("+", "%20")
return quoted
class UrlDecodeCommand(StringEncode):
def encode(self, text):
return unquote_plus(text)
class Base64EncodeCommand(StringEncode):
def encode(self, text):
return base64.b64encode(text.encode('raw_unicode_escape')).decode('ascii')
class Base64DecodeCommand(StringEncode):
def encode(self, text):
return base64.b64decode(text + '===').decode('raw_unicode_escape')
class Md5EncodeCommand(StringEncode):
def encode(self, text):
hasher = hashlib.md5()
hasher.update(bytes(text, 'utf-8'))
return hasher.hexdigest()
class Sha256EncodeCommand(StringEncode):
def encode(self, text):
hasher = hashlib.sha256()
hasher.update(bytes(text, 'utf-8'))
return hasher.hexdigest()
class Sha512EncodeCommand(StringEncode):
def encode(self, text):
hasher = hashlib.sha512()
hasher.update(bytes(text, 'utf-8'))
return hasher.hexdigest()
class Escaper(StringEncode):
def encode(self, text):
return re.sub(r'(?<!\\)(%s)' % self.meta, r'\\\1', text)
class EscapeRegexCommand(Escaper):
meta = r'[?\\*.+^$()\[\]\{\}\|]'
class EscapeLikeCommand(Escaper):
meta = r'[%_]'
class HexDecCommand(StringEncode):
def encode(self, text):
return str(int(text, 16))
class DecHexCommand(StringEncode):
def encode(self, text):
return hex(int(text))
class UnicodeHexCommand(StringEncode):
def encode(self, text):
hex_text = u''
text_bytes = bytes(text, 'utf-16')
if text_bytes[0:2] == b'\xff\xfe':
endian = 'little'
text_bytes = text_bytes[2:]
elif text_bytes[0:2] == b'\xfe\xff':
endian = 'big'
text_bytes = text_bytes[2:]
char_index = 0
for c in text_bytes:
if char_index == 0:
c1 = c
char_index += 1
elif char_index == 1:
c2 = c
if endian == 'little':
c1, c2 = c2, c1
tmp = (c1 << 8) + c2
if tmp < 0x80:
hex_text += chr(tmp)
char_index = 0
elif tmp >= 0xd800 and tmp <= 0xdbff:
char_index += 1
else:
hex_text += '\\u' + '{0:04x}'.format(tmp)
char_index = 0
elif char_index == 2:
c3 = c
char_index += 1
elif char_index == 3:
c4 = c
if endian == 'little':
c3, c4 = c4, c3
tmp1 = ((c1 << 8) + c2) - 0xd800
tmp2 = ((c3 << 8) + c4) - 0xdc00
tmp = (tmp1 * 0x400) + tmp2 + 0x10000
hex_text += '\\U' + '{0:08x}'.format(tmp)
char_index = 0
return hex_text
class HexUnicodeCommand(StringEncode):
def encode(self, text):
uni_text = text
endian = sys.byteorder
r = re.compile(r'\\u([0-9a-fA-F]{2})([0-9a-fA-F]{2})')
rr = r.search(uni_text)
while rr:
first_byte = int(rr.group(1), 16)
if first_byte >= 0xd8 and first_byte <= 0xdf:
# Surrogate pair
pass
else:
if endian == 'little':
b1 = int(rr.group(2), 16)
b2 = int(rr.group(1), 16)
else:
b1 = int(rr.group(1), 16)
b2 = int(rr.group(2), 16)
ch = bytes([b1, b2]).decode('utf-16')
uni_text = uni_text.replace(rr.group(0), ch)
rr = r.search(uni_text, rr.start(0) + 1)
# Surrogate pair (2 bytes + 2 bytes)
r = re.compile(
r'\\u([0-9a-fA-F]{2})([0-9a-fA-F]{2})\\u([0-9a-fA-F]{2})([0-9a-fA-F]{2})')
rr = r.search(uni_text)
while rr:
if endian == 'little':
b1 = int(rr.group(2), 16)
b2 = int(rr.group(1), 16)
b3 = int(rr.group(4), 16)
b4 = int(rr.group(3), 16)
else:
b1 = int(rr.group(1), 16)
b2 = int(rr.group(2), 16)
b3 = int(rr.group(3), 16)
b4 = int(rr.group(4), 16)
ch = bytes([b1, b2, b3, b4]).decode('utf-16')
uni_text = uni_text.replace(rr.group(0), ch)
rr = r.search(uni_text)
# Surrogate pair (4 bytes)
r = re.compile(
r'\\U([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})')
rr = r.search(uni_text)
while rr:
tmp = (int(rr.group(1), 16) << 24) \
+ (int(rr.group(2), 16) << 16) \
+ (int(rr.group(3), 16) << 8) \
+ (int(rr.group(4), 16))
if (tmp <= 0xffff):
ch = chr(tmp)
else:
tmp -= 0x10000
c1 = 0xd800 + int(tmp / 0x400)
c2 = 0xdc00 + int(tmp % 0x400)
if endian == 'little':
b1 = c1 & 0xff
b2 = c1 >> 8
b3 = c2 & 0xff
b4 = c2 >> 8
else:
b1 = c1 >> 8
b2 = c1 & 0xff
b3 = c2 >> 8
b4 = c2 & 0xff
ch = bytes([b1, b2, b3, b4]).decode('utf-16')
uni_text = uni_text.replace(rr.group(0), ch)
rr = r.search(uni_text)
return uni_text