feat: check if a url contains a DOI

PTFS-Europe · Dec 3, 2024 · 8575fa4 · 8575fa4
1 parent 27ebf39
commit 8575fa4
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/code/web/Drivers/LibKeyDriver.php b/code/web/Drivers/LibKeyDriver.php
@@ -2,6 +2,9 @@
 
 class LibKeyDriver {
 	public function getLibKeyLink(string $doiUrl): string | null {
+		if (!$this->containsDoi($doiUrl)) {
+			return null;
+		}
 		require_once ROOT_DIR . '/sys/LibKey/LibKeySetting.php';
 		$activeLibrary = Library::getActiveLibrary();
 		$settings = new LibKeySetting();
@@ -20,4 +23,7 @@ public function extractDoi(string $url): string {
 		$doi = str_replace(["https://doi.org/", "http://"], "", $url);
 		return $doi;
 	}
+	public function containsDoi(string $url): bool {
+		return preg_match('/10.\d{4,9}\/[-._;()\/:A-Z0-9]/', $url);
+	}
 }