mirror of
https://github.com/ail-project/ail-framework.git
synced 2024-11-15 02:58:22 +00:00
336 lines
11 KiB
Python
Executable file
336 lines
11 KiB
Python
Executable file
#!/usr/bin/env python3
|
|
# -*-coding:UTF-8 -*
|
|
|
|
import os
|
|
import sys
|
|
|
|
from datetime import datetime
|
|
from io import BytesIO
|
|
from PIL import Image
|
|
from PIL import ImageDraw
|
|
|
|
from pymisp import MISPObject
|
|
|
|
sys.path.append(os.environ['AIL_BIN'])
|
|
##################################
|
|
# Import Project packages
|
|
##################################
|
|
from lib.objects.abstract_daterange_object import AbstractDaterangeObject, AbstractDaterangeObjects
|
|
from lib.ConfigLoader import ConfigLoader
|
|
from packages import Date
|
|
# from lib import Language
|
|
# from lib.data_retention_engine import update_obj_date, get_obj_date_first
|
|
|
|
from flask import url_for
|
|
|
|
config_loader = ConfigLoader()
|
|
r_cache = config_loader.get_redis_conn("Redis_Cache")
|
|
r_object = config_loader.get_db_conn("Kvrocks_Objects")
|
|
baseurl = config_loader.get_config_str("Notifications", "ail_domain")
|
|
IMAGE_FOLDER = config_loader.get_files_directory('images')
|
|
config_loader = None
|
|
|
|
# SET x1,y1:x2,y2:x3,y3:x4,y4:extracted_text
|
|
|
|
class Ocr(AbstractDaterangeObject):
|
|
"""
|
|
AIL Message Object. (strings)
|
|
"""
|
|
|
|
def __init__(self, id):
|
|
super(Ocr, self).__init__('ocr', id)
|
|
|
|
def exists(self):
|
|
return r_object.exists(f'ocr:{self.id}')
|
|
|
|
def get_content(self, r_type='str'):
|
|
"""
|
|
Returns content
|
|
"""
|
|
global_id = self.get_global_id()
|
|
content = r_cache.get(f'content:{global_id}')
|
|
if not content:
|
|
dict_content = {}
|
|
for extracted in r_object.smembers(f'ocr:{self.id}'):
|
|
extracted = extracted.split(':', 4)
|
|
x, y = extracted[0].split(',', 1)
|
|
# get text line, y +- 20
|
|
rounded_y = round(int(y) / 20) * 20
|
|
if rounded_y not in dict_content:
|
|
dict_content[rounded_y] = []
|
|
dict_content[rounded_y].append((int(x), int(y), extracted[-1]))
|
|
|
|
content = ''
|
|
new_line = True
|
|
l_key = sorted(dict_content.keys())
|
|
for key in l_key:
|
|
dict_content[key] = sorted(dict_content[key], key=lambda c: c[0])
|
|
for text in dict_content[key]:
|
|
if new_line:
|
|
content = f'{content}{text[2]}'
|
|
new_line = False
|
|
else:
|
|
content = f'{content} {text[2]}'
|
|
content = f'{content}\n'
|
|
new_line = True
|
|
|
|
# Set Cache
|
|
if content:
|
|
global_id = self.get_global_id()
|
|
r_cache.set(f'content:{global_id}', content)
|
|
r_cache.expire(f'content:{global_id}', 300)
|
|
|
|
if r_type == 'str':
|
|
return content
|
|
elif r_type == 'bytes':
|
|
if content:
|
|
return content.encode()
|
|
|
|
def get_date(self): # TODO
|
|
return Date.get_today_date_str()
|
|
|
|
def get_source(self): # TODO
|
|
"""
|
|
Returns source/feeder name
|
|
"""
|
|
return 'ocr'
|
|
# l_source = self.id.split('/')[:-2]
|
|
# return os.path.join(*l_source)
|
|
|
|
def get_basename(self): # TODO
|
|
return 'ocr'
|
|
|
|
def get_language(self):
|
|
languages = self.get_languages()
|
|
if languages:
|
|
return languages.pop()
|
|
else:
|
|
return None
|
|
|
|
def get_link(self, flask_context=False):
|
|
if flask_context:
|
|
url = url_for('correlation.show_correlation', type=self.type, id=self.id)
|
|
else:
|
|
url = f'{baseurl}/correlation/show?type={self.type}&id={self.id}'
|
|
return url
|
|
|
|
def get_svg_icon(self):
|
|
return {'style': 'fas', 'icon': '\uf065', 'color': 'yellow', 'radius': 5}
|
|
|
|
def get_image_path(self):
|
|
rel_path = os.path.join(self.id[0:2], self.id[2:4], self.id[4:6], self.id[6:8], self.id[8:10], self.id[10:12], self.id[12:])
|
|
filename = os.path.join(IMAGE_FOLDER, rel_path)
|
|
return os.path.realpath(filename)
|
|
|
|
def get_misp_object(self): # TODO
|
|
obj = MISPObject('instant-message', standalone=True)
|
|
obj_date = self.get_date()
|
|
if obj_date:
|
|
obj.first_seen = obj_date
|
|
else:
|
|
self.logger.warning(
|
|
f'Export error, None seen {self.type}:{self.subtype}:{self.id}, first={obj_date}')
|
|
|
|
# obj_attrs = [obj.add_attribute('first-seen', value=obj_date),
|
|
# obj.add_attribute('raw-data', value=self.id, data=self.get_raw_content()),
|
|
# obj.add_attribute('sensor', value=get_ail_uuid())]
|
|
obj_attrs = []
|
|
for obj_attr in obj_attrs:
|
|
for tag in self.get_tags():
|
|
obj_attr.add_tag(tag)
|
|
return obj
|
|
|
|
# options: set of optional meta fields
|
|
def get_meta(self, options=None, translation_target=''):
|
|
"""
|
|
:type options: set
|
|
"""
|
|
if options is None:
|
|
options = set()
|
|
meta = self._get_meta(options=options)
|
|
meta['tags'] = self.get_tags()
|
|
meta['content'] = self.get_content()
|
|
|
|
# optional meta fields
|
|
if 'investigations' in options:
|
|
meta['investigations'] = self.get_investigations()
|
|
if 'link' in options:
|
|
meta['link'] = self.get_link(flask_context=True)
|
|
if 'icon' in options:
|
|
meta['svg_icon'] = self.get_svg_icon()
|
|
if 'img' in options:
|
|
meta['img'] = self.draw_bounding_boxs()
|
|
if 'map' in options:
|
|
meta['map'] = self.get_img_map_coords()
|
|
if 'language' in options:
|
|
meta['language'] = self.get_language()
|
|
if 'translation' in options and translation_target:
|
|
if meta.get('language'):
|
|
source = meta['language']
|
|
else:
|
|
source = None
|
|
meta['translation'] = self.translate(content=meta.get('content'), source=source, target=translation_target)
|
|
if 'language' in options:
|
|
meta['language'] = self.get_language()
|
|
return meta
|
|
|
|
def get_objs_container(self):
|
|
objs_containers = set()
|
|
# chat
|
|
objs_containers.add(self.get_first_correlation('chat'))
|
|
subchannel = self.get_first_correlation('chat-subchannel')
|
|
if subchannel:
|
|
objs_containers.add(subchannel)
|
|
thread = self.get_first_correlation('chat-thread')
|
|
if thread:
|
|
objs_containers.add(thread)
|
|
return objs_containers
|
|
|
|
def create_coord_str(self, bbox):
|
|
c1, c2, c3, c4 = bbox
|
|
x1, y1 = c1
|
|
x2, y2 = c2
|
|
x3, y3 = c3
|
|
x4, y4 = c4
|
|
return f'{int(x1)},{int(y1)}:{int(x2)},{int(y2)}:{int(x3)},{int(y3)}:{int(x4)},{int(y4)}'
|
|
|
|
def _unpack_coord(self, coord):
|
|
return coord.split(',', 1)
|
|
|
|
def get_coords(self):
|
|
coords = []
|
|
for extracted in r_object.smembers(f'ocr:{self.id}'):
|
|
coord = []
|
|
bbox = extracted.split(':', 4)[:-1]
|
|
for c in bbox:
|
|
x, y = self._unpack_coord(c)
|
|
coord.append((int(x), int(y)))
|
|
coords.append(coord)
|
|
return coords
|
|
|
|
def get_img_map_coords(self):
|
|
coords = []
|
|
for extracted in r_object.smembers(f'ocr:{self.id}'):
|
|
extract = extracted.split(':', 4)
|
|
x1, y1 = self._unpack_coord(extract[0])
|
|
x2, y2 = self._unpack_coord(extract[1])
|
|
x3, y3 = self._unpack_coord(extract[2])
|
|
x4, y4 = self._unpack_coord(extract[3])
|
|
coords.append((f'{x1},{y1},{x2},{y2},{x3},{y3},{x4},{y4}', extract[4]))
|
|
return coords
|
|
|
|
def edit_text(self, coordinates, text, new_text, new_coordinates=None):
|
|
pass
|
|
|
|
def add_text(self, coordinates, text):
|
|
val = f'{coordinates}:{text}'
|
|
return r_object.sadd(f'ocr:{self.id}', val)
|
|
|
|
def remove_text(self, val):
|
|
return r_object.srem(f'ocr:{self.id}', val)
|
|
|
|
def update_correlation(self, date=None):
|
|
if date:
|
|
self.add(date, None)
|
|
image_correl = self.get_obj_correlations('image', '', self.id)
|
|
for obj_type in image_correl:
|
|
if obj_type != 'ocr':
|
|
for obj_raw in image_correl[obj_type]:
|
|
obj_subtype, obj_id = obj_raw.split(':', 1)
|
|
self.add_correlation(obj_type, obj_subtype, obj_id)
|
|
|
|
def create(self, extracted_texts, tags=[]):
|
|
# r_object.sadd(f'{self.type}:all', self.id)
|
|
created = False
|
|
for extracted in extracted_texts:
|
|
bbox, text = extracted
|
|
if len(text) > 1:
|
|
str_coords = self.create_coord_str(bbox)
|
|
self.add_text(str_coords, text)
|
|
created = True
|
|
|
|
if created:
|
|
# Correlations
|
|
self._copy_from('image', self.id)
|
|
self.update_correlation()
|
|
self.add_correlation('image', '', self.id)
|
|
|
|
for tag in tags:
|
|
self.add_tag(tag)
|
|
return self.id
|
|
|
|
# # WARNING: UNCLEAN DELETE /!\ TEST ONLY /!\
|
|
def delete(self):
|
|
r_object.delete(f'ocr:{self.id}')
|
|
|
|
def draw_bounding_boxs(self):
|
|
img = Image.open(self.get_image_path()).convert("RGBA")
|
|
draw = ImageDraw.Draw(img)
|
|
for bbox in self.get_coords():
|
|
c1, c2, c3, c4 = bbox
|
|
draw.line((tuple(c1), tuple(c2)), fill="yellow", width=2)
|
|
draw.line((tuple(c2), tuple(c3)), fill="yellow", width=2)
|
|
draw.line((tuple(c3), tuple(c4)), fill="yellow", width=2)
|
|
draw.line((tuple(c4), tuple(c1)), fill="yellow", width=2)
|
|
# img.show()
|
|
buff = BytesIO()
|
|
img.save(buff, "PNG")
|
|
return buff.getvalue()
|
|
|
|
|
|
def create(obj_id, detections, tags=[]):
|
|
obj = Ocr(obj_id)
|
|
if not obj.exists():
|
|
obj_id = obj.create(detections, tags=tags)
|
|
if obj_id:
|
|
return obj
|
|
|
|
# TODO preload languages
|
|
def extract_text(image_path, languages, threshold=0.2):
|
|
import easyocr
|
|
reader = easyocr.Reader(languages, verbose=False)
|
|
texts = reader.readtext(image_path)
|
|
# print(texts)
|
|
extracted = []
|
|
for bbox, text, score in texts:
|
|
if score > threshold:
|
|
extracted.append((bbox, text))
|
|
return extracted
|
|
|
|
|
|
def get_ocr_languages():
|
|
return {'af', 'ar', 'as', 'az', 'be', 'bg', 'bh', 'bs', 'cs', 'cy', 'da', 'de', 'en', 'es', 'et', 'fa', 'fr', 'ga', 'hi', 'hr', 'hu', 'id', 'is', 'it', 'ja', 'kn', 'ko', 'ku', 'la', 'lt', 'lv', 'mi', 'mn', 'mr', 'ms', 'mt', 'ne', 'nl', 'no', 'oc', 'pi', 'pl', 'pt', 'ro', 'ru', 'sk', 'sl', 'sq', 'sr', 'sv', 'sw', 'ta', 'te', 'th', 'tl', 'tr', 'ug', 'uk', 'ur', 'uz', 'vi', 'zh'}
|
|
|
|
|
|
def sanityze_ocr_languages(languages, ocr_languages=None):
|
|
langs = set()
|
|
if not ocr_languages:
|
|
ocr_languages = get_ocr_languages()
|
|
for lang in languages:
|
|
if lang in ocr_languages:
|
|
if lang == 'zh':
|
|
langs.add('ch_sim')
|
|
elif lang == 'sr':
|
|
langs.add('rs_latin')
|
|
else:
|
|
langs.add(lang)
|
|
return langs
|
|
|
|
class Ocrs(AbstractDaterangeObjects):
|
|
"""
|
|
OCR Objects
|
|
"""
|
|
def __init__(self):
|
|
super().__init__('ocr', Ocr)
|
|
|
|
def sanitize_id_to_search(self, name_to_search):
|
|
return name_to_search # TODO
|
|
|
|
|
|
#### API ####
|
|
def api_get_ocr(obj_id, translation_target=None):
|
|
ocr = Ocr(obj_id)
|
|
if not ocr.exists():
|
|
return {"status": "error", "reason": "Unknown ocr"}, 404
|
|
meta = ocr.get_meta({'content', 'icon', 'img', 'language', 'link', 'map', 'translation'}, translation_target=translation_target)
|
|
return meta, 200
|