Move from account ID to account URL

We store the account URL on account creation in the account_id.json file.

When reading the file, if the attribute is missing, we retrieve the account URL
from the CA ( https://tools.ietf.org/html/rfc8555#section-7.3.1 ) and edit the
file.

Per https://tools.ietf.org/html/rfc8555#section-7.3
> The server returns this account object in a 201 (Created) response, with the
> account URL in a Location header field.  The account URL is used as the "kid"
> value in the JWS authenticating subsequent requests by this account (see
> Section 6.2).  The account URL is also used for requests for management
> actions on this account, as described below.

diff --git a/dehydrated b/dehydrated
index 842e721ec5bb9abae9e9d9b5a67a0ec917f5bfb2..fd1b27ab2fc83e714a80f366da9eec02bf151336 100755 (executable)
--- a/dehydrated
+++ b/dehydrated
@@ -408,17 +408,17 @@ init_system() {
       ACCOUNT_URL="${CA_REG}/${ACCOUNT_ID}"
     else
       if [[ -e "${ACCOUNT_ID_JSON}" ]]; then
-        ACCOUNT_ID="$(cat "${ACCOUNT_ID_JSON}" | get_json_string_value id)"
-      else
-        echo "+ Fetching account ID..."
+        ACCOUNT_URL="$(cat "${ACCOUNT_ID_JSON}" | get_json_string_value url)"
+      fi
+      # if account URL is not storred, fetch it from the CA
+      if [[ -z "${ACCOUNT_URL:-}" ]]; then
+        echo "+ Fetching account URL..."
         ACCOUNT_URL="$(signed_request "${CA_NEW_ACCOUNT}" '{"onlyReturnExisting": true}' 4>&1 | grep -i ^Location: | awk '{print $2}' | tr -d '\r\n')"
-        ACCOUNT_ID="${ACCOUNT_URL##*/}"
-        if [[ -z "${ACCOUNT_ID}" ]]; then
+        if [[ -z "${ACCOUNT_URL}" ]]; then
           _exiterr "Unknown error on fetching account information"
         fi
-        echo '{"id": "'"${ACCOUNT_ID}"'"}' > "${ACCOUNT_ID_JSON}"
+        echo '{"url":"'"${ACCOUNT_URL}"'"}' > "${ACCOUNT_ID_JSON}" # store the URL for next time
       fi
-      ACCOUNT_URL="${CA_ACCOUNT}/${ACCOUNT_ID}"
     fi
   else
     echo "Fetching missing account information from CA..."
@@ -428,7 +428,6 @@ init_system() {
       ACCOUNT_URL="$(signed_request "${CA_NEW_ACCOUNT}" '{"onlyReturnExisting": true}' 4>&1 | grep -i ^Location: | awk '{print $2}' | tr -d '\r\n')"
       ACCOUNT_INFO="$(signed_request "${ACCOUNT_URL}" '{}')"
     fi
-    ACCOUNT_ID="${ACCOUNT_URL##*/}"
     echo "${ACCOUNT_INFO}" > "${ACCOUNT_KEY_JSON}"
   fi
 }
@@ -1155,12 +1154,12 @@ command_account() {
 
   NEW_ACCOUNT_KEY_JSON="$(_mktemp)"
 
-  # Check if we have the registration id
-  if [[ -z "${ACCOUNT_ID}" ]]; then
-    _exiterr "Error retrieving registration id."
+  # Check if we have the registration url
+  if [[ -z "${ACCOUNT_URL}" ]]; then
+    _exiterr "Error retrieving registration url."
   fi
 
-  echo "+ Updating registration id: ${ACCOUNT_ID} contact information..."
+  echo "+ Updating registration url: ${ACCOUNT_URL} contact information..."
   if [[ ${API} -eq 1 ]]; then
     # If an email for the contact has been provided then adding it to the registered account
     if [[ -n "${CONTACT_EMAIL}" ]]; then