1 files changed, 123 insertions, 0 deletions
diff --git a/vendor/ipl/web/src/Style.php b/vendor/ipl/web/src/Style.php
new file mode 100644
index 0000000..56479d0
--- /dev/null
+++ b/vendor/ipl/web/src/Style.php
@@ -0,0 +1,123 @@
+<?php
+
+namespace ipl\Web;
+
+use ipl\Html\Attribute;
+use ipl\Html\Attributes;
+use ipl\Html\BaseHtmlElement;
+use ipl\Html\HtmlElement;
+use ipl\Html\HtmlString;
+use ipl\Html\ValidHtml;
+use Throwable;
+
+class Style extends LessRuleset implements ValidHtml
+{
+    /** @var ?string */
+    protected $module;
+
+    /** @var ?string */
+    protected $nonce;
+
+    /**
+     * Get the used CSP nonce
+     *
+     * @return ?string
+     */
+    public function getNonce(): ?string
+    {
+        return $this->nonce;
+    }
+
+    /**
+     * Set the CSP nonce to use
+     *
+     * @param ?string $nonce
+     *
+     * @return $this
+     */
+    public function setNonce(?string $nonce): self
+    {
+        $this->nonce = $nonce;
+
+        return $this;
+    }
+
+    /**
+     * Get the Icinga module name the ruleset is scoped to
+     *
+     * @return ?string
+     */
+    public function getModule(): ?string
+    {
+        return $this->module;
+    }
+
+    /**
+     * Set the Icinga module name to use as scope for the ruleset
+     *
+     * @param ?string $name
+     *
+     * @return $this
+     */
+    public function setModule(?string $name): self
+    {
+        $this->module = $name;
+
+        return $this;
+    }
+
+    /**
+     * Add CSS properties for the given element
+     *
+     * The created ruleset will be applied by an `#ID` selector. If the given
+     * element does not have an ID set yet, one is automatically set.
+     *
+     * @param BaseHtmlElement $element Element to apply the properties to
+     * @param array<string, string> $properties CSS properties
+     *
+     * @return $this
+     */
+    public function addFor(BaseHtmlElement $element, array $properties): self
+    {
+        /** @var ?string $id */
+        $id = $element->getAttribute('id')->getValue();
+
+        if ($id === null) {
+            $id = uniqid('csp-style', false);
+            $element->setAttribute('id', $id);
+        }
+
+        return $this->add('#' . $id, $properties);
+    }
+
+    public function render(): string
+    {
+        if ($this->module !== null) {
+            $ruleset = (new static())
+                ->setSelector(".icinga-module.module-$this->module")
+                ->addRuleset($this);
+        } else {
+            $ruleset = $this;
+        }
+
+        return (new HtmlElement(
+            'style',
+            (new Attributes())->addAttribute(new Attribute('nonce', $this->getNonce())),
+            HtmlString::create($ruleset->renderCss())
+        ))->render();
+    }
+
+    /**
+     * Render to HTML
+     *
+     * @return string
+     */
+    public function __toString(): string
+    {
+        try {
+            return $this->render();
+        } catch (Throwable $e) {
+            return sprintf('<!-- Failed to render style: %s -->', $e->getMessage());
+        }
+    }
+}