fsimphy/calendar-webapp
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Added possibility to configure the application with a config file or with command line arguments. Currently only selection of the database system and options for those systems are available.

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This commit is contained in:
Johannes Loher 2017-11-10 16:29:19 +01:00
parent 539ed1720b
commit 524cc11b3f
3 changed files with 114 additions and 31 deletions
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10
source/calendarwebapp/authenticator.d
View file

@ -92,6 +92,7 @@ private:
@Autowire MySQLPool pool;
@Autowire PasswordHasher passwordHasher;
@Value("mysql.table.users") string usersTableName;
public:
Nullable!AuthInfo checkUser(string username, string password) @trusted
@ -100,7 +101,8 @@ public:
scope (exit)
cn.close();
auto prepared = cn.prepare(
"SELECT id, username, passwordHash, privilege FROM users WHERE username = ?");
"SELECT id, username, passwordHash, privilege FROM "
~ usersTableName ~ " WHERE username = ?");
prepared.setArg(0, username);
auto result = prepared.query();
/* checkHash should be called using vibe.core.concurrency.async to
@ -123,7 +125,7 @@ public:
scope (exit)
cn.close;
auto prepared = cn.prepare(
"INSERT INTO users (username, passwordHash, privilege) VALUES(?, ?, ?)");
"INSERT INTO " ~ usersTableName ~ " (username, passwordHash, privilege) VALUES(?, ?, ?)");
prepared.setArgs(authInfo.username, authInfo.passwordHash, authInfo.privilege.to!uint);
prepared.exec();
}
@ -136,7 +138,7 @@ public:
auto cn = pool.lockConnection();
scope (exit)
cn.close;
auto prepared = cn.prepare("SELECT id, username, passwordHash, privilege FROM users");
auto prepared = cn.prepare("SELECT id, username, passwordHash, privilege FROM " ~ usersTableName ~ "");
return prepared.querySet.map!(r => toAuthInfo(r)).inputRangeObject;
}
@ -145,7 +147,7 @@ public:
auto cn = pool.lockConnection();
scope (exit)
cn.close;
auto prepared = cn.prepare("DELETE FROM users WHERE id = ?");
auto prepared = cn.prepare("DELETE FROM " ~ usersTableName ~ " WHERE id = ?");
prepared.setArg(0, id.to!uint);
prepared.exec();
}

121
source/calendarwebapp/configuration.d
View file

@ -3,32 +3,50 @@ module calendarwebapp.configuration;
import botan.rng.auto_rng : AutoSeededRNG;
import botan.rng.rng : RandomNumberGenerator;
import calendarwebapp.authenticator : Authenticator, MongoDBAuthenticator,
MySQLAuthenticator;
import calendarwebapp.authenticator : Authenticator;
import calendarwebapp.calendarwebapp : CalendarWebapp;
import calendarwebapp.event : EventStore, MongoDBEventStore, MySQLEventStore;
import calendarwebapp.event : EventStore;
import calendarwebapp.passhash : BcryptPasswordHasher, PasswordHasher;
import mysql : MySQLPool;
import poodinis;
import vibe.db.mongo.client : MongoClient;
import vibe.core.log : logInfo;
import vibe.db.mongo.collection : MongoCollection;
import vibe.db.mongo.mongo : connectMongoDB;
class Context : ApplicationContext
{
public:
override void registerDependencies(shared(DependencyContainer) container)
{
auto mongoClient = connectMongoDB("localhost");
auto pool = new MySQLPool("localhost", "username", "password", "CalendarWebapp");
container.register!MySQLPool.existingInstance(pool);
container.register!(ValueInjector!Arguments, AppArgumentsInjector);
auto arguments = container.resolve!(AppArgumentsInjector).get("");
final switch (arguments.database) with (DatabaseArgument)
{
case mongodb:
import vibe.db.mongo.client : MongoClient;
import vibe.db.mongo.mongo : connectMongoDB;
import calendarwebapp.authenticator : MongoDBAuthenticator;
import calendarwebapp.event : MongoDBEventStore;
auto mongoClient = connectMongoDB(arguments.mongodb.host);
container.register!MongoClient.existingInstance(mongoClient);
container.register!(EventStore, MongoDBEventStore!());
container.register!(Authenticator, MongoDBAuthenticator!());
logInfo("Using MongoDB as database system");
break;
case mysql:
import mysql : MySQLPool;
import calendarwebapp.authenticator : MySQLAuthenticator;
import calendarwebapp.event : MySQLEventStore;
auto pool = new MySQLPool(arguments.mysql.host, arguments.mysql.username,
arguments.mysql.password, arguments.mysql.database);
container.register!MySQLPool.existingInstance(pool);
container.register!(EventStore, MySQLEventStore);
container.register!(Authenticator, MySQLAuthenticator);
logInfo("Using MySQL as database system");
break;
}
container.register!(PasswordHasher, BcryptPasswordHasher);
container.register!(RandomNumberGenerator, AutoSeededRNG);
container.register!CalendarWebapp;
@ -41,19 +59,18 @@ class StringInjector : ValueInjector!string
{
private:
string[string] config;
@Value() Arguments arguments;
bool initialized = false;
public:
this() const @safe pure nothrow
{
// dfmt off
config = ["Database name" : "CalendarWebapp",
"Users collection name": "users",
"Events collection name" : "events"];
// dfmt on
}
override string get(string key) const @safe pure nothrow
override string get(string key) @safe nothrow
{
if (!initialized)
{
config = ["MongoDB database name" : arguments.mongodb.database,
"mysql.table.users" : "users", "mysql.table.events" : "events"];
}
return config[key];
}
}
@ -61,8 +78,10 @@ public:
class MongoCollectionInjector : ValueInjector!MongoCollection
{
private:
import vibe.db.mongo.client : MongoClient;
@Autowire MongoClient mongoClient;
@Value("Database name")
@Value("MongoDB database name")
string databaseName;
public:
@ -71,3 +90,63 @@ public:
return mongoClient.getCollection(databaseName ~ "." ~ key);
}
}
class AppArgumentsInjector : ValueInjector!Arguments
{
private:
Arguments arguments;
public:
this()
{
import vibe.core.args : readOption;
readOption("database", &arguments.database, "The database system to use.");
readOption("mongodb.host", &arguments.mongodb.host,
"The host of the MongoDB instance to use.");
readOption("mongodb.database", &arguments.mongodb.database,
"The name of the MongoDB database to use.");
readOption("mysql.host", &arguments.mysql.host, "The host of the MySQL instance to use.");
readOption("mysql.username", &arguments.mysql.username,
"The username to use for logging into the MySQL instance.");
readOption("mysql.password", &arguments.mysql.password,
"The password to use for logging into the MySQL instance.");
readOption("mysql.database", &arguments.mysql.database,
"The name of the MySQL database to use.");
}
override Arguments get(string key) @safe
{
import std.exception : enforce;
enforce(key == "", "There is only one instance of Arguments, to inject it use @Value().");
return arguments;
}
}
enum DatabaseArgument
{
mongodb,
mysql
}
struct MySQLArguments
{
string host = "localhost";
string username = "username";
string password = "password";
string database = "CalendarWebapp";
}
struct MongoDBArguments
{
string host = "localhost";
string database = "CalendarWebapp";
}
struct Arguments
{
DatabaseArgument database = DatabaseArgument.mongodb;
MySQLArguments mysql;
MongoDBArguments mongodb;
}

10
source/calendarwebapp/event.d
View file

@ -73,6 +73,8 @@ class MySQLEventStore : EventStore
private:
import mysql;
@Value("mysql.table.events") string eventsTableName;
public:
Event getEvent(string id)
{
@ -80,7 +82,7 @@ public:
scope (exit)
cn.close;
auto prepared = cn.prepare(
"SELECT id begin end name description type shout FROM events WHERE id = ?");
"SELECT id begin end name description type shout FROM " ~ eventsTableName ~ " WHERE id = ?");
prepared.setArg(0, id.to!uint);
return toEvent(prepared.query.front);
}
@ -91,7 +93,7 @@ public:
scope (exit)
cn.close;
auto prepared = cn.prepare(
"SELECT id, begin, end, name, description, type, shout FROM events");
"SELECT id, begin, end, name, description, type, shout FROM " ~ eventsTableName ~ "");
return prepared.querySet.map!(r => toEvent(r)).inputRangeObject;
}
@ -101,7 +103,7 @@ public:
scope (exit)
cn.close;
auto prepared = cn.prepare(
"INSERT INTO events (begin, end, name, description, type, shout) VALUES(?, ?, ?, ?, ?, ?)");
"INSERT INTO " ~ eventsTableName ~ " (begin, end, name, description, type, shout) VALUES(?, ?, ?, ?, ?, ?)");
prepared.setArgs(event.begin, event.end, event.name, event.description,
event.type.to!uint, event.shout);
prepared.exec();
@ -119,7 +121,7 @@ public:
auto cn = pool.lockConnection();
scope (exit)
cn.close;
auto prepared = cn.prepare("DELETE FROM events WHERE id = ?");
auto prepared = cn.prepare("DELETE FROM " ~ eventsTableName ~ " WHERE id = ?");
prepared.setArg(0, id.to!uint);
prepared.exec();
}