mirror of https://github.com/MISP/PyMISP
add: [exportpdf] Handling pictures embedded as attributes
Falconieri
parent
cefcc3430c
commit
29a1b05c1f
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@ -161,10 +161,16 @@ FRAME_MAX_HEIGHT = 500 # 650 # Ad hoc value for a A4 page
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FRAME_MAX_WIDTH = 356
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STR_TOO_LONG_WARNING = "<br/><b><font color=red>[Too long to fit on a single page. Cropped]</font></b>"
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# == Parameters for error handling for image too big to fit on a page ==
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FRAME_PICTURE_MAX_WIDTH = 88 * mm
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FRAME_PICTURE_MAX_HEIGHT = 195 * mm
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# == Parameters for links management ==
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LINK_TYPE = "link" # Name of the type that define 'good' links
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URL_TYPE = "url" # Name of the type that define 'bad' links
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IMAGE_TYPE = "attachment" # /!\ Not only pictures ! Can be PDF, ...
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WARNING_MESSAGE_URL = "'https://Please_consider_that_this_may_be_a_harmful_link'"
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NOT_A_PICTURE_MESSAGE = "This attachment is not recognized as an image. Please access this attachment directly from your MISP instance."
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GOOD_LINK_COLOR = 'blue'
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BAD_LINK_COLOR = 'red'
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@ -423,13 +429,14 @@ def get_published_value(misp_event, item, col2_style):
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col2_style)
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else:
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# Published without published date
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answer = YES_ANSWER + "no date)"
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answer = Paragraph(YES_ANSWER + "no date)",col2_style)
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else:
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# Not published
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answer = NO_ANSWER
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answer = Paragraph(NO_ANSWER,col2_style)
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else:
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# Does not have a published attribute
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answer = item[2]
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answer = Paragraph(item[2],col2_style)
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return answer
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@ -456,11 +463,11 @@ def create_flowable_table_from_one_attribute(misp_attribute):
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["Type", 'type', "None"],
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["Value", 'value', "None"]]
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IMAGE_TYPE = "attachment"
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# Handle the special case of links
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STANDARD_TYPE = True
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if hasattr(misp_attribute, 'type') and (getattr(misp_attribute, 'type') in [LINK_TYPE, URL_TYPE, IMAGE_TYPE]):
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if hasattr(misp_attribute, 'type') and (getattr(misp_attribute, 'type') in [LINK_TYPE, URL_TYPE]):
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# getattr(misp_attribute, 'type') == LINK_TYPE or getattr(misp_attribute, 'type') == URL_TYPE):
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# Special case for links
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STANDARD_TYPE = False
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@ -480,41 +487,32 @@ def create_flowable_table_from_one_attribute(misp_attribute):
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item = ["Value", 'value', "None"]
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if is_safe_attribute(misp_attribute, item[1]):
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# Handle "Good" links
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if getattr(misp_attribute, 'type') == LINK_TYPE:
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data.append([Paragraph(item[0], col1_style), get_unoverflowable_paragraph(
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"<font color=" + GOOD_LINK_COLOR + "><a href=" + getattr(misp_attribute, item[1]) + ">" + getattr(
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misp_attribute, item[1]) + "</a></font>", col2_style, False)])
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# Handle "bad "links
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elif getattr(misp_attribute, 'type') == URL_TYPE:
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data.append([Paragraph(item[0], col1_style), get_unoverflowable_paragraph(
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"<font color=" + BAD_LINK_COLOR + "><a href=" + WARNING_MESSAGE_URL + ">" + getattr(misp_attribute,item[1]) + "</a></font>",col2_style, False)])
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elif getattr(misp_attribute, 'type') == IMAGE_TYPE:
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# Get the image
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buf = getattr(misp_attribute, 'data')
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# Scale down (or up ?) the image to fit the maximum frame size
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img_size = ImageReader(buf).getSize()
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w_scale = FRAME_MAX_WIDTH / img_size[0]
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h_scale = FRAME_MAX_HEIGHT / img_size[1]
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scale_down = min(w_scale,h_scale)
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print(FRAME_MAX_HEIGHT,FRAME_MAX_WIDTH)
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print(img_size)
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print(w_scale)
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print(h_scale)
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print(scale_down)
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print(img_size[0]*scale_down, img_size[1]*scale_down)
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# img_width = 88 * mm # max image height
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# print(img_size)
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FRAME_PICTURE_MAX_WIDTH = 88*mm
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FRAME_PICTURE_MAX_HEIGHT = 195*mm
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# return Image(path, width=width, height=(width * aspect))
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img = Image(buf,width=FRAME_PICTURE_MAX_WIDTH,height=FRAME_PICTURE_MAX_HEIGHT,kind='bound')
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# width, height = img.getSize()
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# aspect = height / float(width)
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data.append([Paragraph('data', col1_style),img])
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"<font color=" + BAD_LINK_COLOR + "><a href=" + WARNING_MESSAGE_URL + ">" + getattr(misp_attribute,
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item[
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1]) + "</a></font>",
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col2_style, False)])
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item = ["Data", 'data', "None"]
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# Handle pictures
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if is_safe_attribute(misp_attribute, item[1]) and getattr(misp_attribute, 'type') == IMAGE_TYPE:
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try :
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# Get the image
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buf = getattr(misp_attribute, item[1])
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# Create image within a bounded box (to allow pdf creation)
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img = Image(buf, width=FRAME_PICTURE_MAX_WIDTH, height=FRAME_PICTURE_MAX_HEIGHT, kind='bound')
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data.append([Paragraph(item[0], col1_style), img])
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except OSError :
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logger.error("Trying to add an attachment during PDF export generation. Attachement joining failed. Attachmement may not be an image.")
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data.append([Paragraph(item[0], col1_style),get_unoverflowable_paragraph("<font color=" + BAD_LINK_COLOR + ">" + NOT_A_PICTURE_MESSAGE + "</font>", col2_style, False) ])
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# Tags
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item = ["Tags", 'Tag', "None"]
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@ -10,7 +10,7 @@ import sys
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import os
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import time
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manual_testing = True
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manual_testing = False
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class TestMISPEvent(unittest.TestCase):
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@ -23,7 +23,9 @@ class TestMISPEvent(unittest.TestCase):
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self.root = ""
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self.test_folder = self.root + "reportlab_testfiles/"
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self.test_batch_folder = self.root + "OSINT_output/"
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self.test_image_folder = self.root + "image_json/"
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self.storage_folder = self.root + "reportlab_testoutputs/"
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self.storage_image_folder = self.root + "reportlab_test_image_outputs/"
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def init_event(self):
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self.mispevent.info = 'This is a test'
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@ -141,6 +143,35 @@ class TestMISPEvent(unittest.TestCase):
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reportlab_generator.register_value_to_file(reportlab_generator.convert_event_in_pdf_buffer(self.mispevent, config),
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self.storage_folder + "image_event.pdf")
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def test_batch_image_events(self):
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# Test case ONLY for manual testing. Needs to download a full list of image events !
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if self.check_python_2():
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self.assertTrue(True)
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elif not manual_testing :
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self.assertTrue(True)
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else:
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self.init_event()
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file_nb = str(len(os.listdir(self.test_image_folder)))
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i = 0
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t = time.time()
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for curr_file in os.listdir(self.test_image_folder):
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self.mispevent = MISPEvent()
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file_path = self.test_image_folder + curr_file
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print("Current file : " + file_path + " " + str(i) + " over " + file_nb)
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i += 1
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self.mispevent.load_file(file_path)
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reportlab_generator.register_value_to_file(
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reportlab_generator.convert_event_in_pdf_buffer(self.mispevent),
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self.storage_image_folder + curr_file + ".pdf")
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print("Elapsed time : " + str(time.time() - t))
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# Local run : 1958.930s for 1064 files
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def test_batch_OSINT_events(self):
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# Test case ONLY for manual testing. Needs to download a full list of OSINT events !
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