From d77c57003fcd2ad77e22ed7eb26bdd6554417bdc Mon Sep 17 00:00:00 2001
From: Peter Molnar <github@petermolnar.net>
Date: Mon, 5 Aug 2019 11:20:50 +0000
Subject: [PATCH]

---
 wallabag2epub.sh | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 wallabag2epub.sh

diff --git a/wallabag2epub.sh b/wallabag2epub.sh
new file mode 100644
index 0000000..563ada3
--- /dev/null
+++ b/wallabag2epub.sh
@@ -0,0 +1,45 @@
+#!/usr/bin/env bash
+
+# script needs env vars passed, needs to be called as:
+# WALLABAG_ID='client_id' WALLABAG_SECRET='client_secret' WALLABAG_USERNAME='username' WALLABAG_PASSWORD='password' WALLABAG_URL='url' bash wallabag2epub.sh
+# requires `jq` https://stedolan.github.io/jq/ because nobody should deal with parsing json with sed
+
+function err {
+    >&2 echo $1
+}
+
+function archive_batch {
+    mkdir -p "${HOME}/archive"
+    # $1 is the json blob of entries export
+    # $2 is access_token
+    local ids=($(echo $1 | jq -r '._embedded.items[].id' | xargs))
+    local urls=($(echo $1 | jq -r '._embedded.items[].url' | xargs))
+    for i in "${!ids[@]}"; do
+        local id="${ids[$i]}"
+        local fname="$(echo ${urls[$i]} | sed -r 's#https?://([w]{3}\.)?##' | sed -e 's/[^[:alnum:]]/-/g' | sed -r 's/s(.*)-/\1/' | tr A-Z a-z)"
+        if [ "${fname}" == "null" ]; then
+            err "problems with ${ids[$i]}: url is null"
+            continue
+        fi
+        local target="${HOME}/archive/${id}_${fname}.epub"
+        if [ ! -e "${target}" ]; then
+            curl -s -G -H "Authorization:Bearer $2" "${WALLABAG_URL}/api/entries/${id}/export.epub" > "${target}"
+        fi
+    done
+
+}
+
+token="$(curl -s -d "grant_type=password" -d "client_id=${WALLABAG_ID}" -d "client_secret=${WALLABAG_SECRET}" -d "username=${WALLABAG_USERNAME}" -d "password=${WALLABAG_PASSWORD}" ${WALLABAG_URL}/oauth/v2/token)"
+access_token="$(echo "${token}" | jq -r '.access_token')"
+
+perpage=10
+first="$(curl -s -G -H "Authorization:Bearer ${access_token}" -d "perPage=${perpage}" "${WALLABAG_URL}/api/entries")"
+pages="$(echo "${first}" | jq -r ".pages")"
+page="$(echo "${first}" | jq -r ".page")"
+archive_batch "${first}" "${access_token}"
+
+while [ $page -lt $pages ]; do
+    page=$((page+1))
+    entries="$(curl -s -G -H "Authorization:Bearer ${access_token}" -d "perPage=${perpage}" -d "page=${page}" "${WALLABAG_URL}/api/entries")"
+    archive_batch "${entries}" "${access_token}"
+done