main(): Set up HTTP responses

* If no `REQUEST_METHOD` is found, send a 500 error
* If the `REQUEST_METHOD` is not "POST", send a 405
* If POST params could not be read from stdin, send 500
* If an error occurred during request verification, send 500
* If the request didn't pass verification, send 403
* Otherwise send 200

1 files changed, 21 insertions, 0 deletions

diff --git a/license-generator/src/response.rs b/license-generator/src/response.rs
new file mode 100644
index 0000000..701bf1a
--- /dev/null
+++ b/license-generator/src/response.rs
@@ -0,0 +1,21 @@
+use std::io::Write;
+
+use errors::*;
+
+pub fn set_403<W: Write>(w: &mut W) -> Result<()> {
+    Ok(writeln!(w, "Status: 403")?)
+}
+
+pub fn set_405<W: Write>(w: &mut W, allowed_methods: &str) -> Result<()> {
+    Ok(
+        writeln!(
+            w,
+            "Status: 405
+Allow: {}",
+            allowed_methods)?
+    )
+}
+
+pub fn set_500<W: Write>(w: &mut W) -> Result<()> {
+    Ok(writeln!(w, "Status: 500")?)
+}