From 6ec99093ed3d925550332d3fc3a247d0586093e0 Mon Sep 17 00:00:00 2001
From: thePR0M3TH3AN <53631862+PR0M3TH3AN@users.noreply.github.com>
Date: Tue, 17 Jun 2025 18:52:41 -0400
Subject: [PATCH] Add QR code generation script and integrate

---
 src/README.md       |  3 +++
 src/create_flyer.sh |  3 +++
 src/generate_qr.sh  | 29 +++++++++++++++++++++++++++++
 3 files changed, 35 insertions(+)
 create mode 100755 src/generate_qr.sh

diff --git a/src/README.md b/src/README.md
index c9ed9a6..60ec4c2 100644
--- a/src/README.md
+++ b/src/README.md
@@ -6,6 +6,7 @@ This repository contains a simple Bash script to obfuscate and minify a single H
 
 - **Debian/Ubuntu**: This script is designed to work on Debian-based systems.
 - **Node.js**: Terser and html-minifier-terser require Node.js to be installed.
+- **qrencode**: Generates the QR codes used in the flyers.
 
 ### Install Node.js and npm on Debian
 
@@ -128,3 +129,5 @@ The `create_flyer.sh` script automates filling `config.json`, building the HTML
 ```
 
 By default the script updates `src/config.json`. After answering the prompts (or extracting from the PDF), `index.html` and `nostr.html` are generated and copied along with the QR code images and PDFs. The files end up in `host/<subdomain>` which can be served statically.
+
+QR codes are built automatically during this process. After the configuration is updated, `create_flyer.sh` calls `generate_qr.sh` to read the URLs from `config.json` and produce `qrcode-content.png` and `qrcode-tear-offs.png`.
diff --git a/src/create_flyer.sh b/src/create_flyer.sh
index 158df28..16357c2 100755
--- a/src/create_flyer.sh
+++ b/src/create_flyer.sh
@@ -84,6 +84,9 @@ else
   update_config_interactive
 fi
 
+# Regenerate QR codes based on the updated configuration
+( cd src && ./generate_qr.sh )
+
 # Run obfuscation scripts
 ( cd src && ./obfuscate_index.sh && ./obfuscate_nostr.sh )
 
diff --git a/src/generate_qr.sh b/src/generate_qr.sh
new file mode 100755
index 0000000..7cc306f
--- /dev/null
+++ b/src/generate_qr.sh
@@ -0,0 +1,29 @@
+#!/bin/bash
+
+set -e
+
+CONFIG="src/config.json"
+
+# Ensure dependencies
+command -v jq >/dev/null 2>&1 || { echo "jq is required" >&2; exit 1; }
+command -v qrencode >/dev/null 2>&1 || { echo "qrencode is required" >&2; exit 1; }
+command -v convert >/dev/null 2>&1 || { echo "ImageMagick convert is required" >&2; exit 1; }
+
+url=$(jq -r '.url' "$CONFIG")
+tear=$(jq -r '.tear_off_link' "$CONFIG")
+
+[ -n "$url" ] || { echo "URL missing in $CONFIG" >&2; exit 1; }
+[ -n "$tear" ] || { echo "tear_off_link missing in $CONFIG" >&2; exit 1; }
+
+tmp_content=$(mktemp)
+tmp_tear=$(mktemp)
+
+qrencode -o "$tmp_content" -s 10 -m 0 "$url"
+qrencode -o "$tmp_tear" -s 10 -m 0 "$tear"
+
+convert "$tmp_content" -resize 128x128 "src/qrcode-content.png"
+convert "$tmp_tear" -resize 128x128 "src/qrcode-tear-offs.png"
+
+rm -f "$tmp_content" "$tmp_tear"
+
+echo "QR codes generated in src/"