feat: Phase 5.1 - HTTP bindings and Podcast 2.0 support

.github/workflows/ci.yml

@@ -398,7 +398,7 @@ jobs:
 
       - name: Run tests with coverage
         working-directory: crates/feedparser-rs-node
-        run: npm test -- --coverage
+        run: npm run test:coverage
         continue-on-error: true
 
       - name: Upload Node.js coverage to codecov

crates/feedparser-rs-core/src/http/client.rs

@@ -51,9 +51,19 @@ impl FeedHttpClient {
     }
 
     /// Sets a custom User-Agent header
+    ///
+    /// # Security
+    ///
+    /// User-Agent is truncated to 512 bytes to prevent header injection attacks.
     #[must_use]
     pub fn with_user_agent(mut self, agent: String) -> Self {
-        self.user_agent = agent;
+        // Truncate to 512 bytes to prevent header injection
+        const MAX_USER_AGENT_LEN: usize = 512;
+        self.user_agent = if agent.len() > MAX_USER_AGENT_LEN {
+            agent.chars().take(MAX_USER_AGENT_LEN).collect()
+        } else {
+            agent
+        };
         self
     }
 
@@ -125,16 +135,30 @@ impl FeedHttpClient {
             HeaderValue::from_static("gzip, deflate, br"),
         );
 
-        // Conditional GET headers
+        // Conditional GET headers with length validation
         if let Some(etag_val) = etag {
-            Self::insert_header(&mut headers, IF_NONE_MATCH, etag_val, "ETag")?;
+            // Truncate ETag to 1KB to prevent oversized headers
+            const MAX_ETAG_LEN: usize = 1024;
+            let sanitized_etag = if etag_val.len() > MAX_ETAG_LEN {
+                &etag_val[..MAX_ETAG_LEN]
+            } else {
+                etag_val
+            };
+            Self::insert_header(&mut headers, IF_NONE_MATCH, sanitized_etag, "ETag")?;
         }
 
         if let Some(modified_val) = modified {
+            // Truncate Last-Modified to 64 bytes (RFC 822 dates are ~30 bytes)
+            const MAX_MODIFIED_LEN: usize = 64;
+            let sanitized_modified = if modified_val.len() > MAX_MODIFIED_LEN {
+                &modified_val[..MAX_MODIFIED_LEN]
+            } else {
+                modified_val
+            };
             Self::insert_header(
                 &mut headers,
                 IF_MODIFIED_SINCE,
-                modified_val,
+                sanitized_modified,
                 "Last-Modified",
             )?;
         }
@@ -161,8 +185,8 @@ impl FeedHttpClient {
         let status = response.status().as_u16();
         let url = response.url().to_string();
 
-        // Convert headers to HashMap
-        let mut headers_map = HashMap::new();
+        // Convert headers to HashMap with pre-allocated capacity
+        let mut headers_map = HashMap::with_capacity(response.headers().len());
         for (name, value) in response.headers() {
             if let Ok(val_str) = value.to_str() {
                 headers_map.insert(name.to_string(), val_str.to_string());

crates/feedparser-rs-core/src/types/entry.rs

@@ -2,7 +2,7 @@ use super::{
     common::{
         Content, Enclosure, Link, MediaContent, MediaThumbnail, Person, Source, Tag, TextConstruct,
     },
-    podcast::ItunesEntryMeta,
+    podcast::{ItunesEntryMeta, PodcastPerson, PodcastTranscript},
 };
 use chrono::{DateTime, Utc};
 
@@ -67,6 +67,10 @@ pub struct Entry {
     pub media_thumbnails: Vec<MediaThumbnail>,
     /// Media RSS content items
     pub media_content: Vec<MediaContent>,
+    /// Podcast 2.0 transcripts for this episode
+    pub podcast_transcripts: Vec<PodcastTranscript>,
+    /// Podcast 2.0 persons for this episode (hosts, guests, etc.)
+    pub podcast_persons: Vec<PodcastPerson>,
 }
 
 impl Entry {
@@ -78,6 +82,8 @@ impl Entry {
     /// - 1 author
     /// - 2-3 tags
     /// - 0-1 enclosures
+    /// - 2 podcast transcripts (typical for podcasts with multiple languages)
+    /// - 4 podcast persons (host, co-hosts, guests)
     ///
     /// # Examples
     ///
@@ -98,6 +104,8 @@ impl Entry {
             dc_subject: Vec::with_capacity(2),
             media_thumbnails: Vec::with_capacity(1),
             media_content: Vec::with_capacity(1),
+            podcast_transcripts: Vec::with_capacity(2),
+            podcast_persons: Vec::with_capacity(4),
             ..Default::default()
         }
     }

crates/feedparser-rs-node/Cargo.toml

@@ -17,5 +17,9 @@ feedparser-rs-core = { path = "../feedparser-rs-core" }
 napi = { workspace = true, features = ["napi9", "error_anyhow"] }
 napi-derive = { workspace = true }
 
+[features]
+default = ["http"]
+http = ["feedparser-rs-core/http"]
+
 [build-dependencies]
 napi-build = "2.1"