feat: add compat for gmail

Dockerfile

@@ -8,7 +8,7 @@ RUN apk add --no-cache offlineimap openssl && \
     # Force SECLEVEL=1 in imaplib2 to allow connecting to servers with weak DH keys (DH_KEY_TOO_SMALL)
     # This is required because OpenSSL 3.x in Alpine 3.23 defaults to SECLEVEL=2
     sed -i 's/ctx = ssl.SSLContext(ssl_version)/ctx = ssl.SSLContext(ssl_version)\n                ctx.set_ciphers("DEFAULT:@SECLEVEL=1")/' /usr/lib/python3.*/site-packages/imaplib2/imaplib2.py
-COPY --chown=offlineimap offlineimaprc /home/offlineimap/.offlineimaprc
+COPY --chown=offlineimap offlineimaprc.*.tmpl /home/offlineimap/
 
 # Add Tini
 #ENV "TINI_VERSION" "v0.16.1"

entrypoint.sh

@@ -2,9 +2,27 @@
 
 set -o pipefail -o nounset -o errexit
 
-# Récupère le fingerprint SHA1 du certificat fourni par le serveur
-IMAP_CERT="$(echo | (openssl s_client -connect "${IMAP_SRV}:993" 2>/dev/null || true) | openssl x509 -fingerprint -sha1 -noout | cut -d'=' -f2 | sed 's/://g')"
+CONFIG_FILE="/home/offlineimap/.offlineimaprc"
 
-sed -i'' "s/XXX_REPLACE_USER_XXX/${IMAP_USER}/g;s/XXX_REPLACE_PASS_XXX/${IMAP_PASS}/g;s/XXX_REPLACE_SRV_XXX/${IMAP_SRV}/g;s/XXX_REPLACE_FINGERPRINT_XXX/${IMAP_CERT}/g" "/home/offlineimap/.offlineimaprc"
+if [ -n "${GMAIL_USER:-}" ]; then
+    echo "Using Gmail configuration mode..."
+    cp "/home/offlineimap/offlineimaprc.gmail.tmpl" "$CONFIG_FILE"
+    
+    # Gmail IMAP server
+    IMAP_SRV="imap.gmail.com"
+    
+    # Récupère le fingerprint SHA1 du certificat
+    IMAP_CERT="$(echo | (openssl s_client -connect "${IMAP_SRV}:993" 2>/dev/null || true) | openssl x509 -fingerprint -sha1 -noout | cut -d'=' -f2 | sed 's/://g')"
+    
+    sed -i "s|XXX_REPLACE_USER_XXX|${GMAIL_USER}|g;s|XXX_REPLACE_PASS_XXX|${GMAIL_PASS}|g;s|XXX_REPLACE_FINGERPRINT_XXX|${IMAP_CERT:-}|g" "$CONFIG_FILE"
+else
+    echo "Using standard IMAP configuration mode..."
+    cp "/home/offlineimap/offlineimaprc.imap.tmpl" "$CONFIG_FILE"
+    
+    # Récupère le fingerprint SHA1 du certificat fourni par le serveur
+    IMAP_CERT="$(echo | (openssl s_client -connect "${IMAP_SRV}:993" 2>/dev/null || true) | openssl x509 -fingerprint -sha1 -noout | cut -d'=' -f2 | sed 's/://g')"
+    
+    sed -i "s|XXX_REPLACE_USER_XXX|${IMAP_USER}|g;s|XXX_REPLACE_PASS_XXX|${IMAP_PASS}|g;s|XXX_REPLACE_SRV_XXX|${IMAP_SRV}|g;s|XXX_REPLACE_FINGERPRINT_XXX|${IMAP_CERT:-}|g" "$CONFIG_FILE"
+fi
 
-exec offlineimap -c "/home/offlineimap/.offlineimaprc"
+exec offlineimap -c "$CONFIG_FILE"

offlineimaprc.gmail.tmpl

@@ -0,0 +1,18 @@
+[general]
+accounts = main
+
+[Account main]
+localrepository = main-local
+remoterepository = main-remote
+synclabels = yes
+
+[Repository main-local]
+type = GmailMaildir
+localfolders = /dump
+
+[Repository main-remote]
+type = Gmail
+remoteuser = XXX_REPLACE_USER_XXX
+remotepass = XXX_REPLACE_PASS_XXX
+cert_fingerprint = XXX_REPLACE_FINGERPRINT_XXX
+readonly = true

offlineimaprc.imap.tmpl

@@ -17,4 +17,4 @@ remotepass = XXX_REPLACE_PASS_XXX
 remotehost = XXX_REPLACE_SRV_XXX
 cert_fingerprint = XXX_REPLACE_FINGERPRINT_XXX
 ssl_version = tls1_2
-readonly=true
+readonly = true