From 35502d955f208b6cb26e237866f4c572bf41e029 Mon Sep 17 00:00:00 2001
From: terrtia <or1994@hotmail.fr>
Date: Fri, 26 Apr 2024 10:31:31 +0200
Subject: [PATCH] fix: [ocr] filter ocr supported languages + fix type of
 object accepted by the tracker

---
 bin/lib/ail_core.py                       |  4 ++--
 bin/lib/objects/Ocrs.py                   | 22 ++++++++++++++++------
 bin/modules/OcrExtractor.py               |  9 +++++++--
 var/www/templates/hunter/tracker_add.html |  4 ++++
 4 files changed, 29 insertions(+), 10 deletions(-)

diff --git a/bin/lib/ail_core.py b/bin/lib/ail_core.py
index 945e8634..9483a3d0 100755
--- a/bin/lib/ail_core.py
+++ b/bin/lib/ail_core.py
@@ -81,10 +81,10 @@ def get_default_correlation_objects():
     return AIL_OBJECTS_CORRELATIONS_DEFAULT
 
 def get_obj_queued():
-    return ['item', 'image']
+    return ['item', 'image', 'message', 'ocr']
 
 def get_objects_tracked():
-    return ['decoded', 'item', 'pgp', 'message', 'title']
+    return ['decoded', 'item', 'pgp', 'message', 'ocr', 'title']
 
 def get_objects_retro_hunted():
     return ['decoded', 'item', 'message']
diff --git a/bin/lib/objects/Ocrs.py b/bin/lib/objects/Ocrs.py
index d8da0aa9..32686db3 100755
--- a/bin/lib/objects/Ocrs.py
+++ b/bin/lib/objects/Ocrs.py
@@ -296,14 +296,24 @@ def extract_text(image_path, languages, threshold=0.2):
             extracted.append((bbox, text))
     return extracted
 
-# TODO OCRS Class
 
-def get_ids():
-    return r_object.smembers(f'ocr:all')
+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 get_all_ocrs_objects(filters={}):
-    for obj_id in get_ids():
-        yield Ocr(obj_id)
+
+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):
     """
diff --git a/bin/modules/OcrExtractor.py b/bin/modules/OcrExtractor.py
index e3285c8e..ad75a4e4 100755
--- a/bin/modules/OcrExtractor.py
+++ b/bin/modules/OcrExtractor.py
@@ -22,8 +22,9 @@
 from lib.objects import Messages
 from lib.objects import Ocrs
 
+
 # Default to eng
-def get_model_languages(obj, add_en=True):
+def get_model_languages(obj, ocr_languages, add_en=True):
     if add_en:
         model_languages = {'en'}
     else:
@@ -53,6 +54,8 @@ def get_model_languages(obj, add_en=True):
             model_languages.add(lang)
             return model_languages
 
+    model_languages = Ocrs.sanityze_ocr_languages(model_languages, ocr_languages=ocr_languages)
+
     return model_languages
 
     #  TODO thread
@@ -72,6 +75,8 @@ def __init__(self):
         config_loader = ConfigLoader()
         self.r_cache = config_loader.get_redis_conn("Redis_Cache")
 
+        self.ocr_languages = Ocrs.get_ocr_languages()
+
         # Send module state to logs
         self.logger.info(f'Module {self.module_name} initialized')
 
@@ -95,7 +100,7 @@ def compute(self, message):
 
         if not ocr.exists():
             path = image.get_filepath()
-            languages = get_model_languages(image)
+            languages = get_model_languages(image, self.ocr_languages)
             print(image.id, languages)
             texts = Ocrs.extract_text(path, languages)
             if texts:
diff --git a/var/www/templates/hunter/tracker_add.html b/var/www/templates/hunter/tracker_add.html
index d2b9e0fc..85270659 100644
--- a/var/www/templates/hunter/tracker_add.html
+++ b/var/www/templates/hunter/tracker_add.html
@@ -140,6 +140,10 @@ <h6>Filter PGP by subtype:</h6>
                                                         <input class="custom-control-input" type="checkbox" name="message_obj" id="message_obj" checked="">
                                                         <label class="custom-control-label" for="message_obj"><i class="fas fa-comment-dots"></i>&nbsp;Message <i class="fas fa-info-circle text-info" data-toggle="tooltip" data-placement="right" title="Messages from Chats"></i></label>
                                                     </div>
+                                                    <div class="custom-control custom-switch mt-1">
+                                                        <input class="custom-control-input" type="checkbox" name="ocr_obj" id="ocr_obj" checked="">
+                                                        <label class="custom-control-label" for="ocr_obj"><i class="fas fa-comment-dots"></i>&nbsp;OCR <i class="fas fa-expand text-info" data-toggle="tooltip" data-placement="right" title="Text extracted from Images"></i></label>
+                                                    </div>
 
 {#                                                    <div class="custom-control custom-switch mt-1">#}
 {#                                                        <input class="custom-control-input" type="checkbox" name="level" id="screenshot_obj" checked="">#}