add provider info function

Cargo.lock

@@ -507,6 +507,17 @@ dependencies = [
  "thread-local-object 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "deltachat-provider-overview"
+version = "0.1.0"
+dependencies = [
+ "glob 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.99 (registry+https://github.com/rust-lang/crates.io-index)",
+ "yaml-rust 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "deltachat_derive"
 version = "0.1.0"
@@ -520,9 +531,11 @@ name = "deltachat_ffi"
 version = "1.0.0-alpha.4"
 dependencies = [
  "deltachat 1.0.0-alpha.4",
+ "deltachat-provider-overview 0.1.0",
  "human-panic 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.40 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -791,6 +804,11 @@ name = "glob"
 version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "glob"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "h2"
 version = "0.1.26"
@@ -2733,6 +2751,14 @@ dependencies = [
  "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "yaml-rust"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "linked-hash-map 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "zeroize"
 version = "0.6.0"
@@ -2841,6 +2867,7 @@ dependencies = [
 "checksum generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)" = "c68f0274ae0e023facc3c97b2e00f076be70e254bc851d972503b328db79b2ec"
 "checksum getrandom 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "2512b3191f22e2763a5db387f1c9409379772e2050841722eb4a8c4f497bf096"
 "checksum glob 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "8be18de09a56b60ed0edf84bc9df007e30040691af7acd1c41874faac5895bfb"
+"checksum glob 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9b919933a397b79c37e33b77bb2aa3dc8eb6e165ad809e58ff75bc7db2e34574"
 "checksum h2 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)" = "a5b34c246847f938a410a03c5458c7fee2274436675e76d8b903c08efc29c462"
 "checksum heck 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "20564e78d53d2bb135c343b3f47714a56af2061f1c928fdb541dc7b9fdd94205"
 "checksum hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "805026a5d0141ffc30abb3be3173848ad46a1b1664fe632428479619a3644d77"
@@ -3051,5 +3078,6 @@ dependencies = [
 "checksum winutil 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7daf138b6b14196e3830a588acf1e86966c694d3e8fb026fb105b8b5dca07e6e"
 "checksum ws2_32-sys 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d59cefebd0c892fa2dd6de581e937301d8552cb44489cdff035c6187cb63fa5e"
 "checksum x25519-dalek 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7ee1585dc1484373cbc1cee7aafda26634665cf449436fd6e24bfd1fad230538"
+"checksum yaml-rust 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "65923dd1784f44da1d2c3dbbc5e822045628c590ba72123e1c73d3c230c4434d"
 "checksum zeroize 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e68403b858b6af538b11614e62dfe9ab2facba9f13a0cafb974855cfb495ec95"
 "checksum zeroize_derive 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b3f07490820219949839d0027b965ffdd659d75be9220c00798762e36c6cd281"

deltachat-ffi/Cargo.toml

@@ -20,6 +20,10 @@ libc = "0.2"
 human-panic = "1.0.1"
 num-traits = "0.2.6"
 
+deltachat-provider-overview = { path = "../../../deltachat-provider-overview" }
+# serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"
+
 [features]
 default = ["vendored", "nightly", "ringbuf"]
 vendored = ["deltachat/vendored"]

deltachat-ffi/deltachat.h

@@ -441,7 +441,11 @@ char*           dc_get_info                  (dc_context_t* context);
  */
 char*           dc_get_oauth2_url            (dc_context_t* context, const char* addr, const char* redirect_uri);
 
+/**
+ * Get the provider information from our provider overview as json object.
+ */
 
+char*           dc_get_json_provider_info_from_email  (char* email);
 
 // connect
 

deltachat-ffi/src/lib.rs

@@ -16,6 +16,8 @@ use std::convert::TryInto;
 use std::ptr;
 use std::str::FromStr;
 
+extern crate deltachat_provider_overview;
+
 use deltachat::contact::Contact;
 use deltachat::dc_tools::{as_str, dc_strdup, StrExt};
 use deltachat::*;
@@ -2530,6 +2532,19 @@ fn as_opt_str<'a>(s: *const libc::c_char) -> Option<&'a str> {
     Some(dc_tools::as_str(s))
 }
 
+pub unsafe extern "C" fn dc_get_json_provider_info_from_email(
+    email: *const libc::c_char,
+) -> *mut libc::c_char {
+    let option = deltachat_provider_overview::get_provider_info(
+        deltachat_provider_overview::get_domain_from_email(dc_tools::as_str(email)),
+    );
+    if let Some(provider) = option {
+        serde_json::to_string(provider.0).unwrap().strdup()
+    } else {
+        dc_strdup(ptr::null())
+    }
+} 
+
 pub trait ResultExt<T> {
     fn unwrap_or_log_default(self, context: &context::Context, message: &str) -> T;
     fn log_err(&self, context: &context::Context, message: &str);