web&server: show raw body contents of UnhandledContentType

server/src/graphql.rs

@@ -104,6 +104,7 @@ pub struct Header {
 #[derive(Debug)]
 pub struct UnhandledContentType {
     text: String,
+    content_tree: String,
 }
 
 #[Object]
@@ -111,6 +112,9 @@ impl UnhandledContentType {
     async fn contents(&self) -> &str {
         &self.text
     }
+    async fn content_tree(&self) -> &str {
+        &self.content_tree
+    }
 }
 
 #[derive(Debug)]
@@ -368,6 +372,23 @@ impl QueryRoot {
                         content_tree
                     },
                 }),
+
+                Body::UnhandledContentType(UnhandledContentType { content_tree, .. }) => {
+                    let body_start = mmap
+                        .windows(2)
+                        .take(20_000)
+                        .position(|w| w == b"\n\n")
+                        .unwrap_or(0);
+                    let body = mmap[body_start + 2..].to_vec();
+                    Body::UnhandledContentType(UnhandledContentType {
+                        text: String::from_utf8(body)?,
+                        content_tree: if debug_content_tree {
+                            render_content_type_tree(&m)
+                        } else {
+                            content_tree
+                        },
+                    })
+                }
                 b => b,
             };
             let headers = m
@@ -508,7 +529,8 @@ fn extract_unhandled(m: &ParsedMail) -> Result<Body, Error> {
         render_content_type_tree(m)
     );
     Ok(Body::UnhandledContentType(UnhandledContentType {
-        text: msg,
+        text: m.get_body()?,
+        content_tree: render_content_type_tree(m),
     }))
 }
 
@@ -628,8 +650,15 @@ fn flatten_body_parts(parts: &[Body]) -> Body {
                 )
             }
             Body::Html(Html { html, .. }) => html.clone(),
-            Body::UnhandledContentType(UnhandledContentType { text }) => {
-                format!(r#"<p class="view-part-unhandled">{text}</p>"#)
+            Body::UnhandledContentType(UnhandledContentType { text, .. }) => {
+                error!("text len {}", text.len());
+                format!(
+                    r#"<p class="view-part-unhandled">{}</p>"#,
+                    // Trim newlines to prevent excessive white space at the beginning/end of
+                    // presenation. Leave tabs and spaces incase plain text attempts to center a
+                    // header on the first line.
+                    linkify_html(&text.trim_matches('\n'))
+                )
             }
         })
         .collect::<Vec<_>>()