refactor: general code base refactor (#2950)

* refactor

* fix: bug in previous refactor

* chore: exclude phpcompat sniff due to bug in phpcompat

* fix: do not leak absolute paths

* refactor/fix: batch extensions checking, fix DOS issue

composer.json

@@ -37,6 +37,7 @@
     "suggest": {
         "ext-memcached": "Allows to use memcached as cache type",
         "ext-sqlite3": "Allows to use an SQLite database for caching",
+        "ext-zip": "Required for FDroidRepoBridge",
         "ext-dom": "Allows to use some bridges based on XPath expressions"
     },
     "autoload-dev": {