From 92fdf87b3a14138a4168488c0ab00f5654e1b889 Mon Sep 17 00:00:00 2001
From: poka <poka@p2p.legal>
Date: Thu, 5 Nov 2020 02:57:54 +0100
Subject: [PATCH] Add deletemsg.sh script to delete a message by ID.

---
 deletemsg.sh | 62 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 sendmsg.sh   |  3 ++-
 2 files changed, 64 insertions(+), 1 deletion(-)
 create mode 100755 deletemsg.sh

diff --git a/deletemsg.sh b/deletemsg.sh
new file mode 100755
index 0000000..aaec7c6
--- /dev/null
+++ b/deletemsg.sh
@@ -0,0 +1,62 @@
+#!/bin/bash
+
+# ###
+# Supprimer un message Cesium+
+# ###
+
+[[ ! -f .env ]] && cp .env.template .env
+source .env
+
+REGEX_PUBKEYS="[a-zA-Z0-9]{42,44}"
+
+# Parse options
+declare -a args=($@)
+for ((i=0; i<${#args[*]}; ++i))
+do
+    case ${args[$i]} in
+        -t|--test) file="test.txt"
+            recipient=$issuer;;
+        -id|--id) id="${args[$i+1]}"
+            [[ -z $id ]] && echo "Veuillez préciser un ID de message." && exit 1;;
+        -i|--issuer) issuer="${args[$i+1]}"
+            [[ -z $issuer ]] && echo "Veuillez préciser un émetteur." && exit 1;;
+        -k|--key) dunikey="${args[$i+1]}"
+            [[ -z $dunikey ]] && echo "Veuillez préciser un fichier de trousseau." && exit 1;;
+    esac
+done
+
+if [[ -z $id ]]; then
+    read -p "ID de message: " ID
+fi
+if [[ -z $issuer ]]; then
+    read -p "Émetteur: " issuer
+fi
+if [[ -z $dunikey ]]; then
+    read -p "Fichier de trousseau: " dunikey
+fi
+
+[[ -z $(grep -Eo $REGEX_PUBKEYS <<<$issuer) ]] && echo "Le format de la clé publique de l'émetteur est invalide." && exit 1
+
+times=$(date -u +'%s')
+
+# Fabrication du hash
+hash="{\"version\":2,\"index\":\"message\",\"type\":\"inbox\",\"id\":\"$id\",\"issuer\":\"$issuer\",\"time\":$times}"
+hash=$(echo -n "$hash" | sha256sum | cut -d ' ' -f1 | awk '{ print toupper($0) }')
+
+# Fabrication de la signature
+signature=$(echo -n "$hash" | ./natools.py sign -f pubsec -k $dunikey --noinc -O 64)
+
+# Affichage du JSON final
+echo "{
+    \"version\": 2,
+    \"index\": \"message\",
+    \"type\": \"inbox\",
+    \"id\": \"$id\",
+    \"issuer\": \"$issuer\",
+    \"time\": $times,
+    \"hash\": \"$hash\",
+    \"signature\": \"$signature\"
+}"
+
+# Envoi du document
+curl -X POST "$pod/history/delete" -d "{\"version\":2,\"index\":\"message\",\"type\":\"inbox\",\"id\":\"$id\",\"issuer\":\"$issuer\",\"time\":$times,\"hash\":\"$hash\",\"signature\":\"$signature\"}"
diff --git a/sendmsg.sh b/sendmsg.sh
index 4fdd710..a426cca 100755
--- a/sendmsg.sh
+++ b/sendmsg.sh
@@ -60,6 +60,7 @@ if [[ -z $dunikey ]]; then
 fi
 
 [[ -z $(grep -Eo $REGEX_PUBKEYS <<<$recipient) ]] && echo "Le format de la clé publique du destinataire est invalide." && exit 1
+[[ -z $(grep -Eo $REGEX_PUBKEYS <<<$issuer) ]] && echo "Le format de la clé publique de l'émetteur est invalide." && exit 1
 
 # Récupération et chiffrement du titre et du message
 title=$(head -n1 <<<$message | ./natools.py encrypt --pubsec -p $recipient -O 58)
@@ -91,5 +92,5 @@ echo "{
     "signature" : \"$signature\"
 }"
 
-# Envoi du document à
+# Envoi du document
 curl -X POST "$pod/message/inbox" -d "{\"issuer\":\"$issuer\",\"recipient\":\"$recipient\",\"title\":\"$title\",\"content\":\"$content\",\"time\":$times,\"nonce\":\"$nonce\",\"version\":2,\"hash\":\"$hash\",\"signature\":\"$signature\"}"