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package space.anity
import com.fizzed.rocker.*
import com.fizzed.rocker.runtime.*
import io.javalin.*
import io.javalin.apibuilder.ApiBuilder.*
import io.javalin.rendering.*
import io.javalin.rendering.template.TemplateUtil.model
import io.javalin.security.*
import io.javalin.security.SecurityUtil.roles
import org.slf4j.*
import java.net.*
import kotlin.system.*
const val debug = true
var silent = true
// TODO: Add abstract and secure file home support for windows/BSD/macOS
val fileHome = if (System.getProperty("os.name") != "Linux" || debug) "files" else "/usr/share/kloud/files"
val databaseController = DatabaseController()
val userHandler = UserHandler()
val fileController = FileController()
private val log = LoggerFactory.getLogger("App.kt")
fun main(args: Array<String>) {
val app = startServer(args)
// Set up templating
RockerRuntime.getInstance().isReloading = false
JavalinRenderer.register(
FileRenderer { filepath, model -> Rocker.template(filepath).bind(model).render().toString() }, ".rocker.html"
)
databaseController.initDatabase()
app.routes {
/**
* Normalizes and cleans the requested url
*/
before("/*") { ctx ->
if (URI(ctx.url()).normalize().toString() != ctx.url()) ctx.redirect(URI(ctx.url()).normalize().toString())
}
/**
* Renders the static resources (important for deployed jar files)
*/
get(
"/css/*", { ctx ->
ctx.contentType("text/css")
try {
ctx.result(Thread.currentThread().contextClassLoader.getResourceAsStream("css/" + ctx.splat(0)))
} catch (_: Exception) {
throw NotFoundResponse()
}
},
roles(Roles.GUEST, Roles.USER)
)
get(
"/js/*", { ctx ->
ctx.contentType("text/javascript")
try {
ctx.result(Thread.currentThread().contextClassLoader.getResourceAsStream("js/" + ctx.splat(0)))
} catch (_: Exception) {
throw NotFoundResponse()
}
},
roles(Roles.GUEST, Roles.USER)
)
get(
"/fonts/*", { ctx ->
try {
ctx.result(Thread.currentThread().contextClassLoader.getResourceAsStream("fonts/" + ctx.splat(0)))
} catch (_: Exception) {
throw NotFoundResponse()
}
},
roles(Roles.GUEST, Roles.USER)
)
/**
* Main page
*/
get("/", { ctx ->
ctx.render(
"index.rocker.html",
model("username", databaseController.getUsername(userHandler.getVerifiedUserId(ctx)), "ctx", ctx)
)
}, roles(Roles.GUEST, Roles.USER))
/**
* Renders the login page
*/
get("/user/login", userHandler::renderLogin, roles(Roles.GUEST, Roles.USER))
/**
* Endpoint for user authentication
*/
post("/user/login", userHandler::login, roles(Roles.GUEST))
/**
* Logs the user out
*/
get("/user/logout", userHandler::logout, roles(Roles.USER))
/**
* Toggles the users theme
*/
post("/user/theme", userHandler::toggleTheme, roles(Roles.USER))
/**
* Renders the registration page
*/
get("/user/register", userHandler::renderRegistration, roles(Roles.GUEST))
/**
* Registers new user
*/
post("/user/register", userHandler::register, roles(Roles.GUEST))
/**
* Adds part of a new user (username) to database
*/
post("/user/add", databaseController::indexUserRegistration, roles(Roles.ADMIN))
/**
* Renders the admin interface
*/
get("/admin", userHandler::renderAdmin, roles(Roles.ADMIN))
/**
* Renders the setup page (only on initial use)
*/
get("/setup", userHandler::renderSetup, roles(Roles.GUEST))
/**
* Endpoint for setup (only on initial use)
*/
post("/setup", userHandler::setup, roles(Roles.GUEST))
/**
* Renders the file list view
*/
get("/files/*", fileController::crawl, roles(Roles.USER))
/**
* Receives and saves multipart media data
*/
post("/upload/*", fileController::upload, roles(Roles.USER))
/**
* Indexes every file of the user into the database
*/
get("/index", fileController::indexAll, roles(Roles.USER))
/**
* Deletes file
*/
post("/delete/*", fileController::delete, roles(Roles.USER))
/**
* Shares file
*/
post("/share/*", fileController::share, roles(Roles.USER))
/**
* Shares file in directory
*/
post("/share", fileController::handleSharedFile, roles(Roles.USER))
/**
* Shows the shared file
*/
get("/shared", fileController::renderShared, roles(Roles.GUEST, Roles.USER))
}
}
/**
* Sets up the roles with the database and declares the handling of roles
*/
fun roleManager(handler: Handler, ctx: Context, permittedRoles: Set<Role>) {
if (userHandler.getVerifiedUserId(ctx) == ctx.cookieStore("userId") ?: "userId"
&& databaseController.getRoles(userHandler.getVerifiedUserId(ctx)).any { it in permittedRoles }
) handler.handle(ctx)
else if (userHandler.getVerifiedUserId(ctx) != ctx.cookieStore("userId") ?: "userId"
&& databaseController.getRoles(userHandler.getVerifiedUserId(ctx)).any { it in permittedRoles }
) handler.handle(ctx)
else ctx.status(401).redirect("/user/login")
}
/**
* Starts the server and parses the command line arguments
*/
fun startServer(args: Array<String>): Javalin {
var runServer = true
var port = 7000
args.forEachIndexed { index, element ->
run {
val wantsDebug = element.startsWith("-d") || element.startsWith("--debug")
val wantsPort = element.startsWith("-p") || element.startsWith("--port")
val wantsHelp = element.startsWith("-h") || element.startsWith("--help")
if (wantsPort) {
val portArgument = args[index + 1].toInt()
if (portArgument in 1..65535) port = portArgument
}
if (wantsDebug) {
silent = false
}
if (wantsHelp) {
runServer = false
log.info(
"Help: \n" +
"Use -p or --port to specify a port\n" +
"Use -d or --debug to enable debug mode\n" +
"Use -h or --help to show this help message"
)
}
}
}
return if (runServer) {
try {
Javalin.create().apply {
port(port)
accessManager { handler, ctx, permittedRoles -> roleManager(handler, ctx, permittedRoles) }
disableStartupBanner()
}.start()
} catch (_: Exception) {
throw PortUnreachableException("Port already in use!")
}
} else exitProcess(1)
}
/**
* Declares the roles in which a user can be in
*/
enum class Roles : Role {
ADMIN, USER, GUEST
}
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