Work out how to get the body of a multipart email

Figured out why I was getting an empty string before: I was inputting a
multipart email. I need to actually look through each part to get the
message body. Look for the body of the "text/plain" part.

3 files changed, 78 insertions, 13 deletions

diff --git a/Cargo.lock b/Cargo.lock
index c1fd4d7..6ef8110 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,23 +1,71 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
 [[package]]
-name = "buf-read-ext"
-version = "0.3.0"
+name = "base64"
+version = "0.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bd2b3bef6c7a0f62d42a25a3cce9a40d558f3f4e15b70a7eef4aaea5c2a419ab"
+checksum = "0b25d992356d2eb0ed82172f5248873db5560c4721f564b13cb5193bda5e668e"
+dependencies = [
+ "byteorder",
+]
+
+[[package]]
+name = "base64"
+version = "0.12.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3441f0f7b02788e948e47f457ca01f1d7e6d92c693bc132c22b087d3141c03ff"
+
+[[package]]
+name = "byteorder"
+version = "1.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae44d1a3d5a19df61dd0c8beb138458ac2a53a7ac09eba97d55592540004306b"
+
+[[package]]
+name = "cfg-if"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+
+[[package]]
+name = "charset"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4f426e64df1c3de26cbf44593c6ffff5dbfd43bbf9de0d075058558126b3fc73"
+dependencies = [
+ "base64 0.10.1",
+ "encoding_rs",
+]
+
+[[package]]
+name = "encoding_rs"
+version = "0.8.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "80df024fbc5ac80f87dfef0d9f5209a252f2a497f7f42944cff24d8253cac065"
+dependencies = [
+ "cfg-if",
+]
 
 [[package]]
-name = "email-format"
-version = "0.8.0"
+name = "mailparse"
+version = "0.13.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd8eb503420bb8f3576592fed3c40baa2cca5f41420baa9ceef8e1d2c09327bb"
+checksum = "31de1f9043c582efde7dbd93de56600df12b6c4488a67eeaefa74ea364019b22"
 dependencies = [
- "buf-read-ext",
+ "base64 0.12.3",
+ "charset",
+ "quoted_printable",
 ]
 
 [[package]]
 name = "ottolangy"
 version = "0.0.1"
 dependencies = [
- "email-format",
+ "mailparse",
 ]
+
+[[package]]
+name = "quoted_printable"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "47b080c5db639b292ac79cbd34be0cfc5d36694768d8341109634d90b86930e2"
diff --git a/Cargo.toml b/Cargo.toml
index b589a1f..6782d19 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,6 +5,6 @@ edition = "2018"
 
 [dependencies]
 # email-parser = "0.5.0"
-# mailparse = "0.13.2"
+mailparse = "0.13.2"
 # email-format = "0.8.0"
-email = "0.0.21"
+# email = "0.0.21"
diff --git a/src/main.rs b/src/main.rs
index 4e3bf83..6d3c6cd 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,8 +1,8 @@
 // use email_parser::email::Email;
-// use mailparse;
+use mailparse;
 // use email_format::Email;
 // use email_format::rfc5322::Parsable;
-use email::rfc5322::Rfc5322Parser;
+// use email::rfc5322::Rfc5322Parser;
 
 use std::io::{self, Read};
 
@@ -24,11 +24,28 @@ fn main() {
     // let email = mailparse::parse_mail(&email_input).unwrap();
     // let body = email.get_body().unwrap();
     // println!("{:?}", body);
+    let email = mailparse::parse_mail(&email_input).unwrap();
+    if email.subparts.is_empty() {
+        let body = email.get_body_raw().unwrap();
+        println!("{:?}", String::from_utf8(body).unwrap());
+    } else {
+        for part in email.subparts {
+            for header in part.get_headers() {
+                println!("{}: {}", header.get_key(), header.get_value());
+
+                if header.get_key() == "Content-Type"
+                    && header.get_value().starts_with("text/plain")
+                {
+                    print!("{}", part.get_body().unwrap());
+                }
+            }
+        }
+    }
 
     // email-format
     // let email = Email::parse(&email_input).unwrap().0;
     // print!("{:?}", email.get_body().unwrap());
 
     // email
-    let email = Rfc5322Parser::
+    // let email = Rfc5322Parser::
 }