Implement PDF export and deprecate TXT export

backend/globaleaks/handlers/recipient/export.py

@@ -2,6 +2,7 @@
 #
 # API handling export of submissions
 import os
+import re
 from io import BytesIO
 from twisted.internet.defer import inlineCallbacks
 from twisted.internet.threads import deferToThread
@@ -27,6 +28,72 @@
 from globaleaks.utils.zipstream import ZipStream
 
 
+try:
+
+    import fpdf
+
+    class REPORTPDF(fpdf.FPDF):
+        report_default_font = "Inter-Regular.ttf"
+        report_fallback_fonts = ["GoNotoKurrent-Regular.ttf"]
+        report_direction = 'ltr'
+        report_line_height = 3
+        report_margin = 10
+        fonts_characters = {}
+
+        def __init__(self, *args, **kwargs):
+            super(REPORTPDF, self).__init__(*args, **kwargs)
+
+            fontspath = os.path.join(Settings.client_path, "fonts")
+            self.add_font(family="Inter-Regular.ttf", style='', fname=os.path.join(fontspath, "Inter-Regular.ttf"))
+            self.add_font(family="GoNotoKurrent-Regular.ttf", style='', fname=os.path.join(fontspath, "GoNotoKurrent-Regular.ttf"))
+
+            for font in list(self.fonts.keys()):
+                if font != self.report_default_font and isinstance(self.fonts[font], fpdf.fonts.TTFFont):
+                    self.fonts_characters[font] = len(self.fonts[font].subset)
+
+            self.set_font(self.report_default_font, "", 11)
+            self.set_fallback_fonts(self.report_fallback_fonts)
+
+            self.set_auto_page_break(auto=True, margin=15)
+
+            self.set_author("GLOBALEAKS")
+            self.set_creator("GLOBALEAKS")
+            self.set_lang("EN")
+
+            self.set_right_margin(self.report_margin)
+            self.set_left_margin(self.report_margin)
+
+            self.set_text_shaping(use_shaping_engine=True, direction="ltr")
+
+        def header(self):
+            self.cell(80)
+            self.set_font("courier", "", 9)
+            self.set_text_shaping(use_shaping_engine=True, direction="ltr")
+            self.cell(30, 10, self.title, align="C")
+            self.set_text_shaping(use_shaping_engine=True, direction=self.report_direction)
+            self.set_font(self.report_default_font, "", 11)
+            self.ln(20)
+
+        def footer(self):
+            self.set_y(-15)
+            self.set_font("courier", "", 9)
+            self.set_text_shaping(use_shaping_engine=True, direction="ltr")
+            self.cell(0, 10, f"{self.page_no()}/{{nb}}", align="C")
+            self.set_text_shaping(use_shaping_engine=True, direction=self.report_direction)
+            self.set_font(self.report_default_font, "", 11)
+
+        def output(self, *args, **kwargs):
+            for font in list(self.fonts.keys()):
+                if font != self.report_default_font and isinstance(self.fonts[font], fpdf.fonts.TTFFont) and \
+                  self.fonts_characters[font] == len(self.fonts[font].subset):
+                    self.fonts.pop(font)
+
+            return super(REPORTPDF, self).output(*args, **kwargs)
+
+except ImportError:
+    pass
+
+
 def serialize_rtip_export(session, user, itip, rtip, context, language):
     rtip_dict = serializers.serialize_rtip(session, itip, rtip, language)
 
@@ -66,6 +133,30 @@ def get_tip_export(session, tid, user_id, itip_id, language):
     return user.pgp_key_public, serialize_rtip_export(session, user, itip, rtip, context, language)
 
 
+def create_pdf_report(input_text, data):
+    pdf = REPORTPDF(orientation='P', unit='mm', format='A4')
+
+    pdf.set_title("REPORT " + str(data['tip']['progressive']) + " (" + str(data['tip']['id']) + ") [CONFIDENTIAL]")
+
+    pdf.add_page()
+
+    # Process each line
+    for line in input_text.split('\n'):
+        if any('\u0590' <= char <= '\u06FF' for char in line):  # Check for characters in Hebrew or Arabic blocks
+            if pdf.report_direction == 'ltr':
+                pdf.report_direction = 'rtl'
+                pdf.set_text_shaping(use_shaping_engine=True, direction=pdf.report_direction)
+        else:
+            if pdf.report_direction == 'rtl':
+                pdf.report_direction = 'ltr'
+                pdf.set_text_shaping(use_shaping_engine=True, direction=pdf.report_direction)
+
+        pdf.multi_cell(0, pdf.report_line_height, line.strip(), align='L')
+        pdf.ln()
+
+    return BytesIO(pdf.output())
+
+
 @inlineCallbacks
 def prepare_tip_export(user_session, tip_export):
     tip_export['tip']['rfiles'] = list(filter(lambda x: x['visibility'] != 'personal', tip_export['tip']['rfiles']))
@@ -113,7 +204,10 @@ def prepare_tip_export(user_session, tip_export):
     export_template = Templating().format_template(tip_export['notification']['export_template'], tip_export).encode()
     export_template = msdos_encode(export_template.decode()).encode()
 
-    files.append({'fo': BytesIO(export_template), 'name': 'report.txt'})
+    if REPORTPDF:
+        files.append({'fo': create_pdf_report(export_template.decode(), tip_export), 'name': 'report.pdf'})
+    else:
+        files.append({'fo': BytesIO(export_template), 'name': 'report.txt'})
 
     return files
 

backend/requirements/requirements-noble.txt

@@ -1,5 +1,6 @@
 acme==2.9.0
 cryptography==41.0.7
+fpdf==2.7.8
 h2==4.1.0
 idna==3.6
 priority==2.0.0

client/Gruntfile.js

@@ -357,17 +357,6 @@ module.exports = function(grunt) {
     },
 
     shell: {
-      convert_fonts: {
-        command: function() {
-          // The directory containing the font files
-          var fontDir = 'app/fonts';
-          // FontForge script file
-          var scriptFile = 'scripts/fontforge';
-
-          // Command to find font files and process them with xargs and FontForge
-          return 'find ' + fontDir + ' -type f -name "*.woff2" | sed "s/.woff2//g" | xargs -I {} sh -c "test -f {}.ttf || fontforge -lang=ff -script scripts/fontforge {}.woff2"'
-        }
-      },
       npx_build: {
         command: "npx ng build --configuration=production --aot"
       },
@@ -967,7 +956,7 @@ module.exports = function(grunt) {
   // Run this task to fetch translations from transifex and create application files
   grunt.registerTask("updateTranslations", ["fetchTranslations", "makeAppData", "verifyAppData"]);
 
-  grunt.registerTask("build", ["clean", "copy:fonts", "shell:convert_fonts", "shell:npx_build", "copy:build", "string-replace", "copy:package", "clean:tmp"]);
+  grunt.registerTask("build", ["clean", "shell:npx_build", "copy:build", "string-replace", "copy:package", "clean:tmp"]);
 
-  grunt.registerTask("build_and_instrument", ["clean", "copy:fonts", "shell:convert_fonts", "shell:npx_build_and_instrument", "copy:build", "string-replace", "copy:package", "clean:tmp"]);
+  grunt.registerTask("build_and_instrument", ["clean", "shell:npx_build_and_instrument", "copy:build", "string-replace", "copy:package", "clean:tmp"]);
 };

client/package.json

@@ -17,6 +17,7 @@
     "@flowjs/flow.js": "2.14.1",
     "@flowjs/ngx-flow": "0.8.1",
     "@fontsource/inter": "5.0.18",
+    "@fontsource/noto-sans": "^5.0.22",
     "@fontsource/noto-sans-arabic": "5.0.13",
     "@fontsource/noto-sans-armenian": "5.0.14",
     "@fontsource/noto-sans-bengali": "5.0.13",
@@ -60,13 +61,13 @@
     "zone.js": "0.14.6"
   },
   "devDependencies": {
-    "@angular/cli": "17.3.7",
-    "@angular/compiler": "17.3.9",
-    "@angular/compiler-cli": "17.3.9",
     "@angular-builders/custom-webpack": "17.0.2",
     "@angular-devkit/architect": "0.1703.7",
     "@angular-devkit/build-angular": "17.3.7",
     "@angular-devkit/core": "17.3.7",
+    "@angular/cli": "17.3.7",
+    "@angular/compiler": "17.3.9",
+    "@angular/compiler-cli": "17.3.9",
     "@cypress/code-coverage": "3.12.39",
     "@cypress/schematic": "2.5.1",
     "@istanbuljs/nyc-config-typescript": "1.0.2",

client/scripts/fontforge

@@ -0,0 +1,10 @@
+#!/usr/bin/fontforge
+
+# Open the font file
+Open($1)
+
+# Perform some operations, for example, generating a new font
+Generate($1:r + ".ttf")
+
+# Close the font
+Close()

debian/controlX/control.noble

@@ -26,6 +26,7 @@ Depends:
   lsb-base,
   python3-acme,
   python3-cryptography,
+  python3-fpdf,
   python3-h2,
   python3-nacl,
   python3-openssl,