Merge branch 'problem-report-send'

10 files changed, 140 insertions, 97 deletions

diff --git a/Cargo.lock b/Cargo.lock
index f080a8e078..d0c58be2c7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -673,14 +673,13 @@ dependencies = [
  "error-chain 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "fern 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "jsonrpc-client-core 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "jsonrpc-client-http 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-core 7.1.1 (git+https://github.com/paritytech/jsonrpc?tag=v7.1.1)",
  "jsonrpc-macros 7.1.1 (git+https://github.com/paritytech/jsonrpc?tag=v7.1.1)",
  "jsonrpc-pubsub 7.1.1 (git+https://github.com/paritytech/jsonrpc?tag=v7.1.1)",
  "jsonrpc-ws-server 7.1.1 (git+https://github.com/paritytech/jsonrpc?tag=v7.1.1)",
  "lazy_static 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mullvad-rpc 0.1.0",
  "mullvad-types 0.1.0",
  "serde 1.0.15 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.15 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -693,6 +692,16 @@ dependencies = [
 ]
 
 [[package]]
+name = "mullvad-rpc"
+version = "0.1.0"
+dependencies = [
+ "chrono 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-client-core 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-client-http 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mullvad-types 0.1.0",
+]
+
+[[package]]
 name = "mullvad-types"
 version = "0.1.0"
 dependencies = [
diff --git a/Cargo.toml b/Cargo.toml
index e5bf17fc21..0082f61236 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,6 +3,7 @@ members = [
     "mullvad-daemon",
     "mullvad-cli",
     "mullvad-types",
+    "mullvad-rpc",
     "talpid-openvpn-plugin",
     "talpid-core",
     "talpid-ipc",
diff --git a/mullvad-cli/src/main.rs b/mullvad-cli/src/main.rs
index 274f1cc60f..e3475888fa 100644
--- a/mullvad-cli/src/main.rs
+++ b/mullvad-cli/src/main.rs
@@ -6,9 +6,6 @@
 //! GNU General Public License as published by the Free Software Foundation, either version 3 of
 //! the License, or (at your option) any later version.
 
-// `error_chain!` can recurse deeply
-#![recursion_limit = "1024"]
-
 #[macro_use]
 extern crate clap;
 extern crate env_logger;
diff --git a/mullvad-daemon/Cargo.toml b/mullvad-daemon/Cargo.toml
index 6dbd3430b0..7449b9120e 100644
--- a/mullvad-daemon/Cargo.toml
+++ b/mullvad-daemon/Cargo.toml
@@ -28,13 +28,12 @@ jsonrpc-core = { git = "https://github.com/paritytech/jsonrpc", tag = "v7.1.1" }
 jsonrpc-macros = { git = "https://github.com/paritytech/jsonrpc", tag = "v7.1.1" }
 jsonrpc-pubsub = { git = "https://github.com/paritytech/jsonrpc", tag = "v7.1.1" }
 jsonrpc-ws-server = { git = "https://github.com/paritytech/jsonrpc", tag = "v7.1.1" }
-jsonrpc-client-core = "0.2.1"
-jsonrpc-client-http = "0.2.1"
 uuid = { version = "0.5", features = ["v4"] }
 lazy_static = "0.2"
 toml = "0.4"
 
 mullvad-types = { path = "../mullvad-types" }
+mullvad-rpc = { path = "../mullvad-rpc" }
 talpid-core = { path = "../talpid-core" }
 talpid-ipc = { path = "../talpid-ipc" }
 talpid-types = { path = "../talpid-types" }
diff --git a/mullvad-daemon/src/bin/problem-report.rs b/mullvad-daemon/src/bin/problem-report.rs
index a4b5107dec..8ecae0a0e5 100644
--- a/mullvad-daemon/src/bin/problem-report.rs
+++ b/mullvad-daemon/src/bin/problem-report.rs
@@ -11,6 +11,8 @@ extern crate clap;
 #[macro_use]
 extern crate error_chain;
 
+extern crate mullvad_rpc;
+
 use error_chain::ChainedError;
 use std::cmp::min;
 use std::fmt;
@@ -20,6 +22,9 @@ use std::path::{Path, PathBuf};
 
 /// Maximum number of bytes to read from each log file
 const LOG_MAX_READ_BYTES: usize = 5 * 1024 * 1024;
+/// Maximum number of bytes allowed in a report.
+const REPORT_MAX_SIZE: usize = 4 * LOG_MAX_READ_BYTES;
+
 
 /// Field delimeter in generated problem report
 const LOG_DELIMITER: &'static str = "====================";
@@ -34,6 +39,9 @@ error_chain!{
             description("Error reading the contents of log file")
             display("Error reading the contents of log file: {}", path.to_string_lossy())
         }
+        RpcError {
+            description("Error during RPC call")
+        }
     }
 }
 
@@ -96,40 +104,40 @@ fn run() -> Result<()> {
     let matches = app.get_matches();
 
     if let Some(collect_matches) = matches.subcommand_matches("collect") {
-        let log_paths = values_t!(collect_matches.values_of("logs"), String)
-            .unwrap_or(Vec::new())
-            .iter()
-            .map(PathBuf::from)
-            .collect();
-        let output_path = value_t_or_exit!(collect_matches.value_of("output"), String);
-        collect_report(log_paths, PathBuf::from(output_path))
+        let log_paths = collect_matches
+            .values_of_os("logs")
+            .map(|os_values| os_values.map(Path::new).collect())
+            .unwrap_or(Vec::new());
+        let output_path = Path::new(collect_matches.value_of_os("output").unwrap());
+        collect_report(&log_paths, output_path)
     } else if let Some(send_matches) = matches.subcommand_matches("send") {
-        let report_path = value_t_or_exit!(send_matches.value_of("report"), String);
-        let user_email = value_t!(send_matches.value_of("email"), String).unwrap_or(String::new());
-        let user_message =
-            value_t!(send_matches.value_of("message"), String).unwrap_or(String::new());
-        send_problem_report(user_email, user_message, PathBuf::from(report_path))
+        let report_path = Path::new(send_matches.value_of_os("report").unwrap());
+        let user_email = send_matches.value_of("email").unwrap_or("");
+        let user_message = send_matches.value_of("message").unwrap_or("");
+        send_problem_report(user_email, user_message, report_path)
     } else {
         unreachable!("No sub command given");
     }
 }
 
-fn collect_report(log_paths: Vec<PathBuf>, save_path: PathBuf) -> Result<()> {
+fn collect_report(log_paths: &[&Path], output_path: &Path) -> Result<()> {
     let mut problem_report = ProblemReport::default();
-    for log_path in log_paths.into_iter() {
-        problem_report.add_file_log(log_path);
+    for log_path in log_paths {
+        problem_report.add_log(log_path);
     }
-    write_problem_report(&save_path, problem_report)
-        .chain_err(|| ErrorKind::WriteReportError(save_path.clone()))
+    write_problem_report(&output_path, problem_report)
+        .chain_err(|| ErrorKind::WriteReportError(output_path.to_path_buf()))
 }
 
-fn send_problem_report(
-    _user_email: String,
-    _user_message: String,
-    _report_path: PathBuf,
-) -> Result<()> {
-    // TODO: Implement submission to master
-    Ok(())
+fn send_problem_report(user_email: &str, user_message: &str, report_path: &Path) -> Result<()> {
+    let report_content = read_file_lossy(report_path, REPORT_MAX_SIZE)
+        .chain_err(|| ErrorKind::ReadLogError(report_path.to_path_buf()))?;
+    let mut rpc_client =
+        mullvad_rpc::ProblemReportProxy::connect().chain_err(|| ErrorKind::RpcError)?;
+    rpc_client
+        .problem_report(user_email, user_message, &report_content)
+        .call()
+        .chain_err(|| ErrorKind::RpcError)
 }
 
 fn write_problem_report(path: &Path, problem_report: ProblemReport) -> io::Result<()> {
@@ -147,42 +155,14 @@ struct ProblemReport {
 }
 
 impl ProblemReport {
-    /// Attach file log to this report
-    /// Unlike `try_add_file_log` this method uses the error description
-    /// instead of log contents if error occurred when reading log file.
-    fn add_file_log(&mut self, path: PathBuf) {
-        if let Err(e) = self.try_add_file_log(&path)
-            .chain_err(|| ErrorKind::ReadLogError(path.clone()))
-        {
-            self.logs.push((
-                path.to_string_lossy().into_owned(),
-                e.display_chain().to_string(),
-            ));
-        }
-    }
-
-    /// Try reading log from file source and attach it to this report
-    fn try_add_file_log(&mut self, path: &Path) -> io::Result<()> {
-        Ok(self.logs.push((
-            path.to_string_lossy().into_owned(),
-            Self::read_log_file(path, LOG_MAX_READ_BYTES)?,
-        )))
-    }
-
-    /// Private helper to safely read the given number of bytes off the tail of UTF-8 log file
-    /// and return it as a string
-    fn read_log_file(path: &Path, max_bytes: usize) -> io::Result<String> {
-        let mut file = File::open(path)?;
-        let file_size = file.metadata()?.len();
-
-        if file_size > max_bytes as u64 {
-            file.seek(SeekFrom::Start(file_size - max_bytes as u64))?;
-        }
-
-        let capacity = min(file_size, max_bytes as u64) as usize;
-        let mut buffer = Vec::with_capacity(capacity);
-        file.take(max_bytes as u64).read_to_end(&mut buffer)?;
-        Ok(String::from_utf8_lossy(&buffer).into_owned())
+    /// Attach file log to this report. This method uses the error chain instead of log
+    /// contents if error occurred when reading log file.
+    fn add_log(&mut self, path: &Path) {
+        let content = read_file_lossy(path, LOG_MAX_READ_BYTES)
+            .chain_err(|| ErrorKind::ReadLogError(path.to_path_buf()))
+            .unwrap_or_else(|e| e.display_chain().to_string());
+        self.logs
+            .push((path.to_string_lossy().into_owned(), content));
     }
 }
 
@@ -198,3 +178,19 @@ impl fmt::Display for ProblemReport {
         Ok(())
     }
 }
+
+/// Helper to lossily read a file to a `String`. If the file size exceeds the given `max_bytes`,
+/// only the last `max_bytes` bytes of the file are read.
+fn read_file_lossy(path: &Path, max_bytes: usize) -> io::Result<String> {
+    let mut file = File::open(path)?;
+    let file_size = file.metadata()?.len();
+
+    if file_size > max_bytes as u64 {
+        file.seek(SeekFrom::Start(file_size - max_bytes as u64))?;
+    }
+
+    let capacity = min(file_size, max_bytes as u64) as usize;
+    let mut buffer = Vec::with_capacity(capacity);
+    file.take(max_bytes as u64).read_to_end(&mut buffer)?;
+    Ok(String::from_utf8_lossy(&buffer).into_owned())
+}
diff --git a/mullvad-daemon/src/main.rs b/mullvad-daemon/src/main.rs
index e804dcace8..ad2850b926 100644
--- a/mullvad-daemon/src/main.rs
+++ b/mullvad-daemon/src/main.rs
@@ -20,9 +20,6 @@ extern crate serde;
 #[macro_use]
 extern crate serde_derive;
 
-#[macro_use]
-extern crate jsonrpc_client_core;
-extern crate jsonrpc_client_http;
 extern crate jsonrpc_core;
 #[macro_use]
 extern crate jsonrpc_macros;
@@ -32,6 +29,7 @@ extern crate jsonrpc_ws_server;
 extern crate lazy_static;
 extern crate uuid;
 
+extern crate mullvad_rpc;
 extern crate mullvad_types;
 extern crate talpid_core;
 extern crate talpid_ipc;
@@ -39,7 +37,6 @@ extern crate talpid_types;
 
 mod cli;
 mod management_interface;
-mod master;
 mod rpc_info;
 mod settings;
 mod shutdown;
@@ -47,10 +44,9 @@ mod shutdown;
 
 use error_chain::ChainedError;
 use futures::Future;
-use jsonrpc_client_http::HttpHandle;
 use jsonrpc_core::futures::sync::oneshot::Sender as OneshotSender;
 use management_interface::{BoxFuture, ManagementInterfaceServer, TunnelCommand};
-use master::AccountsProxy;
+use mullvad_rpc::{AccountsProxy, HttpHandle};
 use mullvad_types::account::{AccountData, AccountToken};
 use mullvad_types::relay_endpoint::RelayEndpoint;
 use mullvad_types::states::{DaemonState, SecurityState, TargetState};
@@ -206,8 +202,7 @@ impl Daemon {
             tx,
             management_interface_broadcaster,
             settings: settings::Settings::load().chain_err(|| "Unable to read settings")?,
-            accounts_proxy: master::create_account_proxy()
-                .chain_err(|| "Unable to bootstrap RPC client")?,
+            accounts_proxy: AccountsProxy::connect().chain_err(|| "Unable to connect RPC client")?,
             firewall: FirewallProxy::new().chain_err(|| ErrorKind::FirewallError)?,
             relay_endpoint: None,
             tunnel_metadata: None,
@@ -339,7 +334,7 @@ impl Daemon {
 
     fn on_get_account_data(
         &mut self,
-        tx: OneshotSender<BoxFuture<AccountData, jsonrpc_client_core::Error>>,
+        tx: OneshotSender<BoxFuture<AccountData, mullvad_rpc::Error>>,
         account_token: AccountToken,
     ) {
         let rpc_call = self.accounts_proxy
diff --git a/mullvad-daemon/src/management_interface.rs b/mullvad-daemon/src/management_interface.rs
index 829f843fca..43e55f4cb4 100644
--- a/mullvad-daemon/src/management_interface.rs
+++ b/mullvad-daemon/src/management_interface.rs
@@ -1,13 +1,13 @@
 use error_chain;
 
 use error_chain::ChainedError;
-use jsonrpc_client_core;
 use jsonrpc_core::{Error, ErrorCode, Metadata};
 use jsonrpc_core::futures::{future, sync, Future};
 use jsonrpc_core::futures::sync::oneshot::Sender as OneshotSender;
 use jsonrpc_macros::pubsub;
 use jsonrpc_pubsub::{PubSubHandler, PubSubMetadata, Session, SubscriptionId};
 use jsonrpc_ws_server;
+use mullvad_rpc;
 use mullvad_types::account::{AccountData, AccountToken};
 use mullvad_types::location::{CountryCode, Location};
 use mullvad_types::relay_endpoint::RelayEndpoint;
@@ -126,7 +126,7 @@ pub enum TunnelCommand {
     GetState(OneshotSender<DaemonState>),
     /// Request the metadata for an account.
     GetAccountData(
-        OneshotSender<BoxFuture<AccountData, jsonrpc_client_core::Error>>,
+        OneshotSender<BoxFuture<AccountData, mullvad_rpc::Error>>,
         AccountToken,
     ),
     /// Set which account token to use for subsequent connection attempts.
@@ -283,9 +283,9 @@ impl<T: From<TunnelCommand> + 'static + Send> ManagementInterface<T> {
     /// Converts the given error to an error that can be given to the caller of the API.
     /// Will let any actual RPC error through as is, any other error is changed to an internal
     /// error.
-    fn map_rpc_error(error: jsonrpc_client_core::Error) -> Error {
+    fn map_rpc_error(error: mullvad_rpc::Error) -> Error {
         match error.kind() {
-            &jsonrpc_client_core::ErrorKind::JsonRpcError(ref rpc_error) => {
+            &mullvad_rpc::ErrorKind::JsonRpcError(ref rpc_error) => {
                 // We have to manually copy the error since we have different
                 // versions of the jsonrpc_core library at the moment.
                 Error {
@@ -344,7 +344,7 @@ impl<T: From<TunnelCommand> + 'static + Send> ManagementInterfaceApi for Managem
         let future = self.send_command_to_daemon(TunnelCommand::GetAccountData(tx, account_token))
             .and_then(|_| rx.map_err(|_| Error::internal_error()))
             .and_then(|rpc_future| {
-                rpc_future.map_err(|error: jsonrpc_client_core::Error| {
+                rpc_future.map_err(|error: mullvad_rpc::Error| {
                     error!(
                         "Unable to get account data from master: {}",
                         error.display_chain()
diff --git a/mullvad-daemon/src/master.rs b/mullvad-daemon/src/master.rs
deleted file mode 100644
index 37bfbe65e5..0000000000
--- a/mullvad-daemon/src/master.rs
+++ /dev/null
@@ -1,16 +0,0 @@
-use chrono::DateTime;
-use chrono::offset::Utc;
-use jsonrpc_client_http::{Error as HttpError, HttpHandle, HttpTransport};
-
-use mullvad_types::account::AccountToken;
-
-static MASTER_API_URI: &str = "https://api.mullvad.net/rpc/";
-
-pub fn create_account_proxy() -> Result<AccountsProxy<HttpHandle>, HttpError> {
-    let transport = HttpTransport::new()?.handle(MASTER_API_URI)?;
-    Ok(AccountsProxy::new(transport))
-}
-
-jsonrpc_client!(pub struct AccountsProxy {
-    pub fn get_expiry(&mut self, account_token: AccountToken) -> RpcRequest<DateTime<Utc>>;
-});
diff --git a/mullvad-rpc/Cargo.toml b/mullvad-rpc/Cargo.toml
new file mode 100644
index 0000000000..41f7fccb2d
--- /dev/null
+++ b/mullvad-rpc/Cargo.toml
@@ -0,0 +1,13 @@
+[package]
+name = "mullvad-rpc"
+version = "0.1.0"
+authors = ["Mullvad VPN <admin@mullvad.net>", "Linus Färnstrand <linus@mullvad.net>", "Erik Larkö <erik@mullvad.net>", "Andrej Mihajlov <and@mullvad.net>"]
+description = "Mullvad VPN RPC clients. Providing an interface to query our infrastructure for information."
+license = "GPL-3.0"
+
+[dependencies]
+chrono = { version = "0.4", features = ["serde"] }
+jsonrpc-client-core = "0.2.1"
+jsonrpc-client-http = "0.2.1"
+
+mullvad-types = { path = "../mullvad-types" }
diff --git a/mullvad-rpc/src/lib.rs b/mullvad-rpc/src/lib.rs
new file mode 100644
index 0000000000..9174f1e684
--- /dev/null
+++ b/mullvad-rpc/src/lib.rs
@@ -0,0 +1,49 @@
+//! # License
+//!
+//! Copyright (C) 2017  Amagicom AB
+//!
+//! This program is free software: you can redistribute it and/or modify it under the terms of the
+//! GNU General Public License as published by the Free Software Foundation, either version 3 of
+//! the License, or (at your option) any later version.
+
+extern crate chrono;
+#[macro_use]
+extern crate jsonrpc_client_core;
+extern crate jsonrpc_client_http;
+
+extern crate mullvad_types;
+
+use chrono::DateTime;
+use chrono::offset::Utc;
+use jsonrpc_client_http::HttpTransport;
+
+pub use jsonrpc_client_core::{Error, ErrorKind};
+pub use jsonrpc_client_http::{Error as HttpError, HttpHandle};
+
+use mullvad_types::account::AccountToken;
+
+
+static MASTER_API_URI: &str = "https://api.mullvad.net/rpc/";
+
+
+jsonrpc_client!(pub struct AccountsProxy {
+    pub fn get_expiry(&mut self, account_token: AccountToken) -> RpcRequest<DateTime<Utc>>;
+});
+
+impl AccountsProxy<HttpHandle> {
+    pub fn connect() -> Result<Self, HttpError> {
+        let transport = HttpTransport::new()?.handle(MASTER_API_URI)?;
+        Ok(AccountsProxy::new(transport))
+    }
+}
+
+jsonrpc_client!(pub struct ProblemReportProxy {
+    pub fn problem_report(&mut self, email: &str, message: &str, log: &str) -> RpcRequest<()>;
+});
+
+impl ProblemReportProxy<HttpHandle> {
+    pub fn connect() -> Result<Self, HttpError> {
+        let transport = HttpTransport::new()?.handle(MASTER_API_URI)?;
+        Ok(ProblemReportProxy::new(transport))
+    }
+}