Support import / export of OTP Uri bulk (#317)

This PR implements import / export logic from a bulk of OTP Uris.
Closes #296
Closes #263

Cargo.toml

@@ -52,3 +52,5 @@ base64 = "0.21.4"
 md-5 = "0.10.6"
 ratatui = { version = "0.23.0", features = ["all-widgets"] }
 crossterm = "0.27.0"
+url = "2.4.1"
+color-eyre = "0.6.2"

build.rs

@@ -1,4 +1,5 @@
 use std::env;
+use std::process::Command;
 
 fn main() {
     let version = env!("CARGO_PKG_VERSION");
@@ -7,6 +8,24 @@ fn main() {
         println!("cargo:rustc-env=COTP_VERSION={}", version);
     } else {
         // Suffix with -DEBUG
-        println!("cargo:rustc-env=COTP_VERSION={}-DEBUG", version);
+        // If we can get the last commit hash, let's append that also
+        if let Some(last_commit) = get_last_commit() {
+            println!(
+                "cargo:rustc-env=COTP_VERSION={}-DEBUG-{}",
+                version, last_commit
+            );
+        } else {
+            println!("cargo:rustc-env=COTP_VERSION={}-DEBUG", version);
+        }
     }
 }
+
+fn get_last_commit() -> Option<String> {
+    Command::new("git")
+        .args(["rev-parse", "--short=12", "HEAD"])
+        .output()
+        .ok()
+        .filter(|e| e.status.success())
+        .map(|e| String::from_utf8(e.stdout))
+        .and_then(|e| e.ok())
+}

src/args.rs

@@ -1,6 +1,7 @@
 use std::path::PathBuf;
 
 use clap::{Args, Parser, Subcommand};
+use color_eyre::eyre::eyre;
 
 use crate::{
     argument_functions, dashboard,
@@ -31,20 +32,20 @@ enum CotpSubcommands {
 #[derive(Args)]
 pub struct AddArgs {
     /// Add OTP code via an OTP URI
-    #[arg(short = 'u', long = "otpuri", required_unless_present = "issuer")]
+    #[arg(short = 'u', long = "otpuri", required_unless_present = "label")]
     pub otp_uri: bool,
 
     /// Specify the OTP code type
     #[arg(short = 't', long = "type", default_value = "totp")]
     pub otp_type: OTPType,
 
     /// Code issuer
-    #[arg(short, long, required_unless_present = "otp_uri")]
-    pub issuer: Option<String>,
+    #[arg(short, long, default_value = "")]
+    pub issuer: String,
 
     /// Code label
-    #[arg(short, long, default_value = "")]
-    pub label: String,
+    #[arg(short, long, required_unless_present = "otp_uri")]
+    pub label: Option<String>,
 
     /// OTP Algorithm
     #[arg(short, long, value_enum, default_value_t = OTPAlgorithm::Sha1)]
@@ -179,6 +180,10 @@ pub struct BackupType {
     /// Import from Microsoft Authenticator
     #[arg(short = 'm', long = "microsoft-authenticator")]
     pub microsoft_authenticator: bool,
+
+    /// Import from OTP Uri batch
+    #[arg(short, long = "otp-uri")]
+    pub otp_uri: bool,
 }
 
 #[derive(Args)]
@@ -188,29 +193,34 @@ pub struct ExportFormat {
     #[arg(short, long)]
     pub cotp: bool,
 
-    /// Import from andOTP backup
+    /// Export into andOTP backup
     #[arg(short = 'e', long)]
     pub andotp: bool,
+
+    /// Export into an OTP URI
+    #[arg(short, long = "otp-uri")]
+    pub otp_uri: bool,
 }
 
 impl Default for ExportFormat {
     fn default() -> Self {
         Self {
             cotp: true,
             andotp: false,
+            otp_uri: false,
         }
     }
 }
 
-pub fn args_parser(matches: CotpArgs, read_result: OTPDatabase) -> Result<OTPDatabase, String> {
+pub fn args_parser(matches: CotpArgs, read_result: OTPDatabase) -> color_eyre::Result<OTPDatabase> {
     match matches.command {
         Some(CotpSubcommands::Add(args)) => argument_functions::add(args, read_result),
         Some(CotpSubcommands::Edit(args)) => argument_functions::edit(args, read_result),
         Some(CotpSubcommands::Import(args)) => argument_functions::import(args, read_result),
         Some(CotpSubcommands::Export(args)) => argument_functions::export(args, read_result),
         Some(CotpSubcommands::Passwd) => argument_functions::change_password(read_result),
         // no args, show dashboard
-        None => dashboard(read_result).map_err(|e| format!("{:?}", e)),
+        None => dashboard(read_result).map_err(|e| eyre!("An error occurred: {e}")),
     }
 }
 

src/argument_functions.rs

@@ -1,49 +1,54 @@
 use crate::args::{AddArgs, EditArgs, ExportArgs, ImportArgs};
 use crate::exporters::do_export;
+use crate::exporters::otp_uri::OtpUriList;
 use crate::importers::aegis::AegisJson;
 use crate::importers::aegis_encrypted::AegisEncryptedDatabase;
 use crate::importers::authy_remote_debug::AuthyExportedList;
 use crate::importers::converted::ConvertedJsonList;
 use crate::importers::freeotp_plus::FreeOTPPlusJson;
+use crate::importers::importer::import_from_path;
 use crate::otp::from_otp_uri::FromOtpUri;
 use crate::otp::otp_element::{OTPDatabase, OTPElement};
-use crate::{importers, utils};
+use crate::utils;
+use color_eyre::eyre::{eyre, ErrReport};
 use zeroize::Zeroize;
 
-pub fn import(matches: ImportArgs, mut database: OTPDatabase) -> Result<OTPDatabase, String> {
+pub fn import(matches: ImportArgs, mut database: OTPDatabase) -> color_eyre::Result<OTPDatabase> {
     let path = matches.path;
 
     let backup_type = matches.backup_type;
 
     let result = if backup_type.cotp {
-        importers::importer::import_from_path::<OTPDatabase>(path)
+        import_from_path::<OTPDatabase>(path)
     } else if backup_type.andotp {
-        importers::importer::import_from_path::<Vec<OTPElement>>(path)
+        import_from_path::<Vec<OTPElement>>(path)
     } else if backup_type.aegis {
-        importers::importer::import_from_path::<AegisJson>(path)
+        import_from_path::<AegisJson>(path)
     } else if backup_type.aegis_encrypted {
-        importers::importer::import_from_path::<AegisEncryptedDatabase>(path)
+        import_from_path::<AegisEncryptedDatabase>(path)
     } else if backup_type.freeotp_plus {
-        importers::importer::import_from_path::<FreeOTPPlusJson>(path)
+        import_from_path::<FreeOTPPlusJson>(path)
     } else if backup_type.authy_exported {
-        importers::importer::import_from_path::<AuthyExportedList>(path)
+        import_from_path::<AuthyExportedList>(path)
     } else if backup_type.google_authenticator
         || backup_type.authy
         || backup_type.microsoft_authenticator
         || backup_type.freeotp
     {
-        importers::importer::import_from_path::<ConvertedJsonList>(path)
+        import_from_path::<ConvertedJsonList>(path)
+    } else if backup_type.otp_uri {
+        import_from_path::<OtpUriList>(path)
     } else {
-        return Err(String::from("Invalid arguments provided"));
+        return Err(eyre!("Invalid arguments provided"));
     };
 
-    let elements = result.map_err(|e| format!("An error occurred: {e}"))?;
+    let elements = result.map_err(|e| eyre!("{e}"))?;
 
     database.add_all(elements);
     Ok(database)
 }
 
-pub fn add(matches: AddArgs, mut database: OTPDatabase) -> Result<OTPDatabase, String> {
+pub fn add(matches: AddArgs, mut database: OTPDatabase) -> color_eyre::Result<OTPDatabase> {
     let otp_element = if matches.otp_uri {
         let mut otp_uri = rpassword::prompt_password("Insert the otp uri: ").unwrap();
         let result = OTPElement::from_otp_uri(otp_uri.as_str());
@@ -53,24 +58,23 @@ pub fn add(matches: AddArgs, mut database: OTPDatabase) -> Result<OTPDatabase, S
         get_from_args(matches)?
     };
     if !otp_element.valid_secret() {
-        return Err(String::from("Invalid secret."));
+        return Err(ErrReport::msg("Invalid secret."));
     }
 
     database.add_element(otp_element);
     Ok(database)
 }
 
-fn get_from_args(matches: AddArgs) -> Result<OTPElement, String> {
-    let secret = rpassword::prompt_password("Insert the secret: ")
-        .map_err(|e| format!("Error during password insertion: {:?}", e))?;
+fn get_from_args(matches: AddArgs) -> color_eyre::Result<OTPElement> {
+    let secret = rpassword::prompt_password("Insert the secret: ").map_err(ErrReport::from)?;
     Ok(map_args_to_code(secret, matches))
 }
 
 fn map_args_to_code(secret: String, matches: AddArgs) -> OTPElement {
     OTPElement {
         secret,
-        issuer: matches.issuer.unwrap(),
-        label: matches.label,
+        issuer: matches.issuer,
+        label: matches.label.unwrap(),
         digits: matches.digits,
         type_: matches.otp_type,
         algorithm: matches.algorithm,
@@ -80,7 +84,7 @@ fn map_args_to_code(secret: String, matches: AddArgs) -> OTPElement {
     }
 }
 
-pub fn edit(matches: EditArgs, mut database: OTPDatabase) -> Result<OTPDatabase, String> {
+pub fn edit(matches: EditArgs, mut database: OTPDatabase) -> color_eyre::Result<OTPDatabase> {
     let secret = matches
         .change_secret
         .then(|| rpassword::prompt_password("Insert the secret: ").unwrap());
@@ -90,7 +94,7 @@ pub fn edit(matches: EditArgs, mut database: OTPDatabase) -> Result<OTPDatabase,
 
     if let Some(real_index) = index.checked_sub(1) {
         if real_index >= database.elements_ref().len() {
-            return Err(format!("{index} is an invalid index"));
+            return Err(eyre!("{index} is an invalid index"));
         }
 
         match database.mut_element(real_index) {
@@ -121,15 +125,15 @@ pub fn edit(matches: EditArgs, mut database: OTPDatabase) -> Result<OTPDatabase,
                 }
                 database.mark_modified();
             }
-            None => return Err(format!("No element found at index {index}")),
+            None => return Err(eyre!("No element found at index {index}")),
         }
         Ok(database)
     } else {
-        Err(format! {"{index} is an invalid index"})
+        Err(eyre!("{index} is an invalid index"))
     }
 }
 
-pub fn export(matches: ExportArgs, database: OTPDatabase) -> Result<OTPDatabase, String> {
+pub fn export(matches: ExportArgs, database: OTPDatabase) -> color_eyre::Result<OTPDatabase> {
     let export_format = matches.format.unwrap_or_default();
     let exported_path = if matches.path.is_dir() {
         matches.path.join("exported.cotp")
@@ -142,6 +146,9 @@ pub fn export(matches: ExportArgs, database: OTPDatabase) -> Result<OTPDatabase,
     } else if export_format.andotp {
         let andotp: &Vec<OTPElement> = (&database).into();
         do_export(&andotp, exported_path)
+    } else if export_format.otp_uri {
+        let otp_uri_list: OtpUriList = (&database).into();
+        do_export(&otp_uri_list, exported_path)
     } else {
         unreachable!("Unreachable code");
     }
@@ -152,14 +159,14 @@ pub fn export(matches: ExportArgs, database: OTPDatabase) -> Result<OTPDatabase,
         );
         database
     })
-    .map_err(|e| format!("An error occurred while exporting database: {e}"))
+    .map_err(|e| eyre!("An error occurred while exporting database: {e}"))
 }
 
-pub fn change_password(mut database: OTPDatabase) -> Result<OTPDatabase, String> {
+pub fn change_password(mut database: OTPDatabase) -> color_eyre::Result<OTPDatabase> {
     let mut new_password = utils::verified_password("New password: ", 8);
     database
         .save_with_pw(&new_password)
-        .map_err(|e| format!("An error has occurred: {e}"))?;
+        .map_err(ErrReport::from)?;
     new_password.zeroize();
     Ok(database)
 }

src/crypto/cryptography.rs

@@ -1,6 +1,7 @@
 use argon2::{Config, Variant, Version};
 use chacha20poly1305::aead::Aead;
 use chacha20poly1305::{Key, KeyInit, XChaCha20Poly1305, XNonce};
+use color_eyre::eyre::{eyre, ErrReport};
 use data_encoding::BASE64;
 
 use super::encrypted_database::EncryptedDatabase;
@@ -19,40 +20,33 @@ const KEY_DERIVATION_CONFIG: Config = Config {
     hash_length: XCHACHA20_POLY1305_KEY_LENGTH as u32,
 };
 
-pub fn argon_derive_key(password_bytes: &[u8], salt: &[u8]) -> Result<Vec<u8>, String> {
-    let config = KEY_DERIVATION_CONFIG;
-    let hash = argon2::hash_raw(password_bytes, salt, &config);
-    match hash {
-        Ok(vec) => Ok(vec),
-        Err(_e) => Err(String::from("Failed to derive encryption key")),
-    }
+pub fn argon_derive_key(password_bytes: &[u8], salt: &[u8]) -> color_eyre::Result<Vec<u8>> {
+    argon2::hash_raw(password_bytes, salt, &KEY_DERIVATION_CONFIG).map_err(ErrReport::from)
 }
 
-pub fn gen_salt() -> Result<[u8; ARGON2ID_SALT_LENGTH], String> {
+pub fn gen_salt() -> color_eyre::Result<[u8; ARGON2ID_SALT_LENGTH]> {
     let mut salt: [u8; ARGON2ID_SALT_LENGTH] = [0; ARGON2ID_SALT_LENGTH];
-    if let Err(e) = getrandom::getrandom(&mut salt) {
-        return Err(format!("Error during salt generation: {e}"));
-    }
+    getrandom::getrandom(&mut salt).map_err(ErrReport::from)?;
     Ok(salt)
 }
 
 pub fn encrypt_string_with_key(
     plain_text: String,
     key: &Vec<u8>,
     salt: &[u8],
-) -> Result<EncryptedDatabase, String> {
+) -> color_eyre::Result<EncryptedDatabase> {
     let wrapped_key = Key::from_slice(key.as_slice());
 
     let aead = XChaCha20Poly1305::new(wrapped_key);
     let mut nonce_bytes: [u8; XCHACHA20_POLY1305_NONCE_LENGTH] =
         [0; XCHACHA20_POLY1305_NONCE_LENGTH];
-    if let Err(e) = getrandom::getrandom(&mut nonce_bytes) {
-        return Err(format!("Error during nonce generation: {e}"));
-    }
+
+    getrandom::getrandom(&mut nonce_bytes).map_err(ErrReport::from)?;
+
     let nonce = XNonce::from_slice(&nonce_bytes);
     let cipher_text = aead
         .encrypt(nonce, plain_text.as_bytes())
-        .expect("Failed to encrypt");
+        .map_err(|e| eyre!("Error during encryption: {e}"))?;
     Ok(EncryptedDatabase::new(
         1,
         BASE64.encode(&nonce_bytes),
@@ -64,10 +58,10 @@ pub fn encrypt_string_with_key(
 pub fn decrypt_string(
     encrypted_text: &str,
     password: &str,
-) -> Result<(String, Vec<u8>, Vec<u8>), String> {
+) -> color_eyre::Result<(String, Vec<u8>, Vec<u8>)> {
     //encrypted text is an encrypted database json serialized object
     let encrypted_database: EncryptedDatabase = serde_json::from_str(encrypted_text)
-        .map_err(|e| format!("Error during encrypted database deserialization: {e}"))?;
+        .map_err(|e| eyre!("Error during encrypted database deserialization: {e}"))?;
     let nonce = BASE64
         .decode(encrypted_database.nonce().as_bytes())
         .expect("Cannot decode Base64 nonce");
@@ -84,11 +78,9 @@ pub fn decrypt_string(
     let nonce = XNonce::from_slice(nonce.as_slice());
     let decrypted = aead
         .decrypt(nonce, cipher_text.as_slice())
-        .map_err(|_| String::from("Wrong password"))?;
-    match String::from_utf8(decrypted) {
-        Ok(result) => Ok((result, key, salt)),
-        Err(e) => Err(format!("Error during UTF-8 string conversion: {e}")),
-    }
+        .map_err(|_| eyre!("Wrong password"))?;
+    let from_utf8 = String::from_utf8(decrypted).map_err(ErrReport::from)?;
+    Ok((from_utf8, key, salt))
 }
 
 #[cfg(test)]

src/exporters/mod.rs

@@ -4,6 +4,7 @@ use serde::Serialize;
 use zeroize::Zeroize;
 
 pub mod andotp;
+pub mod otp_uri;
 
 pub fn do_export<T>(to_be_saved: &T, exported_path: PathBuf) -> Result<PathBuf, String>
 where

src/exporters/otp_uri.rs

@@ -0,0 +1,15 @@
+use crate::otp::otp_element::OTPDatabase;
+use serde::{Deserialize, Serialize};
+
+#[derive(Serialize, Deserialize)]
+pub struct OtpUriList {
+    pub items: Vec<String>,
+}
+
+impl<'a> From<&'a OTPDatabase> for OtpUriList {
+    fn from(value: &'a OTPDatabase) -> Self {
+        let items: Vec<String> = value.elements.iter().map(|e| e.get_otpauth_uri()).collect();
+
+        OtpUriList { items }
+    }
+}

src/importers/mod.rs

@@ -4,3 +4,4 @@ pub mod authy_remote_debug;
 pub mod converted;
 pub mod freeotp_plus;
 pub mod importer;
+pub mod otp_uri;