From 2b7a0a458508ed2d490e43fe45eb906c7492e1da Mon Sep 17 00:00:00 2001
From: "B. Petersen" <r10s@b44t.com>
Date: Mon, 10 Feb 2020 23:36:56 +0100
Subject: [PATCH] prototype dc_set_config_from_qr()

---
 deltachat-ffi/deltachat.h | 17 +++++++++++++++++
 deltachat-ffi/src/lib.rs  | 16 ++++++++++++++++
 src/qr.rs                 |  8 ++++++++
 3 files changed, 41 insertions(+)

diff --git a/deltachat-ffi/deltachat.h b/deltachat-ffi/deltachat.h
index d7b1c426d..a3f8f785a 100644
--- a/deltachat-ffi/deltachat.h
+++ b/deltachat-ffi/deltachat.h
@@ -403,6 +403,7 @@ int             dc_set_config                (dc_context_t* context, const char*
  */
 char*           dc_get_config                (dc_context_t* context, const char* key);
 
+
 /**
  * Set stock string translation.
  *
@@ -417,6 +418,22 @@ char*           dc_get_config                (dc_context_t* context, const char*
 int             dc_set_stock_translation(dc_context_t* context, uint32_t stock_id, const char* stock_msg);
 
 
+/**
+ * Set configuration values from a QR code containing an account.
+ * Before this function is called, dc_check_qr() should confirm the type of the
+ * QR code is DC_QR_ACCOUNT.
+ *
+ * Internally, the function will call dc_set_config()
+ * at least with the keys `addr` and `mail_pw`.
+ *
+ * @memberof dc_context_t
+ * @param context The context object
+ * @param qr scanned QR code
+ * @return int (==0 on error, 1 on success)
+ */
+int             dc_set_config_from_qr   (dc_context_t* context, const char* qr);
+
+
 /**
  * Get information about the context.
  *
diff --git a/deltachat-ffi/src/lib.rs b/deltachat-ffi/src/lib.rs
index 6d57a1906..3f13361e1 100644
--- a/deltachat-ffi/src/lib.rs
+++ b/deltachat-ffi/src/lib.rs
@@ -423,6 +423,22 @@ pub unsafe extern "C" fn dc_set_stock_translation(
         .unwrap_or(0)
 }
 
+#[no_mangle]
+pub unsafe extern "C" fn dc_set_config_from_qr(
+    context: *mut dc_context_t,
+    qr: *mut libc::c_char,
+) -> libc::c_int {
+    if context.is_null() || qr.is_null() {
+        eprintln!("ignoring careless call to dc_set_config_from_qr");
+        return 0;
+    }
+    let qr = to_string_lossy(qr);
+    let ffi_context = &*context;
+    ffi_context
+        .with_inner(|ctx| qr::set_config_from_qr(ctx, &qr) as libc::c_int)
+        .unwrap_or(0)
+}
+
 #[no_mangle]
 pub unsafe extern "C" fn dc_get_info(context: *mut dc_context_t) -> *mut libc::c_char {
     if context.is_null() {
diff --git a/src/qr.rs b/src/qr.rs
index 1f93dcded..a8955c78e 100644
--- a/src/qr.rs
+++ b/src/qr.rs
@@ -205,6 +205,14 @@ fn decode_account(_context: &Context, qr: &str) -> Lot {
     lot
 }
 
+pub fn set_config_from_qr(context: &Context, qr: &str) -> bool {
+    error!(
+        context,
+        "Setting config from QR is not yet implemented :/ QR code: {}", qr
+    );
+    false
+}
+
 /// Extract address for the mailto scheme.
 ///
 /// Scheme: `mailto:addr...?subject=...&body=..`