1 files changed, 88 insertions, 0 deletions
diff --git a/crates/shirabe/src/util/http/response.rs b/crates/shirabe/src/util/http/response.rs
index 61011cb..ff3af06 100644
--- a/crates/shirabe/src/util/http/response.rs
+++ b/crates/shirabe/src/util/http/response.rs
@@ -1 +1,89 @@
 //! ref: composer/src/Composer/Util/Http/Response.php
+
+use indexmap::IndexMap;
+use shirabe_external_packages::composer::pcre::preg::Preg;
+use shirabe_php_shim::{LogicException, PhpMixed, preg_quote};
+use crate::json::json_file::JsonFile;
+
+#[derive(Debug)]
+pub struct Response {
+    request: IndexMap<String, PhpMixed>,
+    code: i64,
+    headers: Vec<String>,
+    body: Option<String>,
+}
+
+impl Response {
+    pub fn new(
+        request: IndexMap<String, PhpMixed>,
+        code: Option<i64>,
+        headers: Vec<String>,
+        body: Option<String>,
+    ) -> anyhow::Result<Result<Self, LogicException>> {
+        if !request.contains_key("url") {
+            return Ok(Err(LogicException {
+                message: "url key missing from request array".to_string(),
+                code: 0,
+            }));
+        }
+        Ok(Ok(Self {
+            request,
+            code: code.unwrap_or(0),
+            headers,
+            body,
+        }))
+    }
+
+    pub fn get_status_code(&self) -> i64 {
+        self.code
+    }
+
+    pub fn get_status_message(&self) -> Option<String> {
+        let mut value = None;
+        for header in &self.headers {
+            if Preg::is_match(r"(?i)^HTTP/\S+ \d+", header) {
+                // In case of redirects, headers contain the headers of all responses
+                // so we can not return directly and need to keep iterating
+                value = Some(header.clone());
+            }
+        }
+        value
+    }
+
+    pub fn get_headers(&self) -> &Vec<String> {
+        &self.headers
+    }
+
+    pub fn get_header(&self, name: &str) -> Option<String> {
+        Self::find_header_value(&self.headers, name)
+    }
+
+    pub fn get_body(&self) -> Option<&str> {
+        self.body.as_deref()
+    }
+
+    pub fn decode_json(&self) -> anyhow::Result<PhpMixed> {
+        let url = self.request.get("url")
+            .and_then(|u| u.as_string())
+            .unwrap_or("");
+        JsonFile::parse_json(self.body.as_deref(), Some(url))
+    }
+
+    pub fn collect(&mut self) {
+        self.request = IndexMap::new();
+        self.code = 0;
+        self.headers = vec![];
+        self.body = None;
+    }
+
+    pub fn find_header_value(headers: &[String], name: &str) -> Option<String> {
+        let mut value = None;
+        let pattern = format!("(?i)^{}:\\s*(.+?)\\s*$", preg_quote(name, None));
+        for header in headers {
+            if let Some(m) = Preg::match_(&pattern, header) {
+                value = Some(m[1].clone());
+            }
+        }
+        value
+    }
+}