StephanRichter
/
LightOidc
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
Browse Source

weiter gebastelt 

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>
sqlite
Stephan Richter 6 months ago
parent
18ca57d2ec
commit
f42a8f5abd
9 changed files with 281 additions and 68 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Unified View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 64
      de.srsoftware.oidc.light/src/main/java/de/srsoftware/LightOICD.java
  2. 20
      de.srsoftware.oidc.light/src/main/java/de/srsoftware/oidc/light/Constants.java
  3. 181
      de.srsoftware.oidc.light/src/main/java/de/srsoftware/oidc/light/LightOICD.java
  4. 41
      de.srsoftware.oidc.light/src/main/java/de/srsoftware/oidc/light/Templates.java
  5. 16
      de.srsoftware.oidc.light/src/main/resources/templates/head.snippet
  6. 16
      de.srsoftware.oidc.light/src/main/resources/templates/login.snippet
  7. 2
      de.srsoftware.oidc.light/src/main/resources/templates/messages.txt
  8. 6
      de.srsoftware.oidc.light/src/main/resources/templates/scaffold.html
  9. 1
      de.srsoftware.oidc.light/src/main/resources/templates/welcome.snippet

64
de.srsoftware.oidc.light/src/main/java/de/srsoftware/LightOICD.java
Unescape View File

@ -1,64 +0,0 @@
/* © SRSoftware 2024 */
package de.srsoftware;
import de.srsoftware.oidc.api.User;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@WebServlet(urlPatterns = "/")
public class LightOICD extends HttpServlet {
private static final Logger LOG = LoggerFactory.getLogger(LightOICD.class);
private static final Templates templates;
static {
try {
templates = Templates.singleton();
} catch (IOException e) {
throw new RuntimeException(e);
}
}
@Override
public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException, ServletException {
var path = Arrays.stream(req.getRequestURI().split("/")).skip(1).toList();
User user = null;
if (path.isEmpty()) {
landingPage(req, resp, user);
return;
}
switch (path.remove(0)) {
default:
helloWorld(req, resp, path);
}
}
private void helloWorld(HttpServletRequest req, HttpServletResponse resp, List<String> path) throws IOException {
LOG.debug("helloWorld(…), path = {}", path);
resp.setContentType("text/html");
PrintWriter out = resp.getWriter();
out.println("<html><head><title>Hello World Servlet</title></head>");
out.println("<body>");
out.println("<h1>Hello Guys!</h1>");
out.println("<ul>");
path.forEach(part -> out.println("<li>" + part + "</li>"));
out.println("</ul>");
out.println("</body></html>");
out.close();
}
private void landingPage(HttpServletRequest req, HttpServletResponse resp, User user) throws IOException {
LOG.debug("landingPage(…)");
var index = templates.get("index.html", Map.of("user","Darling"));
resp.setContentType("text/html");
resp.getWriter().println(index.get());
}
}

20
de.srsoftware.oidc.light/src/main/java/de/srsoftware/oidc/light/Constants.java
Unescape View File

@ -0,0 +1,20 @@
/* © SRSoftware 2024 */
package de.srsoftware.oidc.light;
public class Constants {
public static final String BODY = "body";
public static final String EMAIL = "email";
public static final String ERR_PAGE_NOT_FOUND = "page_not_found";
public static final String ERR_REDIRECT_FAILED = "redirect_failed";
public static final String HEAD = "head";
public static final String MESSAGES = "messages.txt";
public static final String PAGE_LOGIN = "login";
public static final String PAGE_START = "start";
public static final String PAGE_WELCOME = "welcome";
public static final String PASSWORD = "password";
public static final String TARGET = "target";
public static final String TITLE = "title";
public static final String TITLE_LOGIN = "title_login";
public static final String TITLE_WELCOME = "title_welcom";
public static final String USER = "user";
}

181
de.srsoftware.oidc.light/src/main/java/de/srsoftware/oidc/light/LightOICD.java
Unescape View File

@ -0,0 +1,181 @@
/* © SRSoftware 2024 */
package de.srsoftware.oidc.light;
import static de.srsoftware.oidc.light.Constants.*;
import static de.srsoftware.oidc.light.Templates.braced;
import de.srsoftware.oidc.api.User;
import java.io.IOException;
import java.util.*;
import java.util.stream.Collectors;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@WebServlet(urlPatterns = "/")
public class LightOICD extends HttpServlet {
private static final Logger LOG = LoggerFactory.getLogger(LightOICD.class);
private static final Templates templates;
static {
try {
templates = Templates.singleton();
} catch (IOException e) {
throw new RuntimeException(e);
}
}
@Override
public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException, ServletException {
var uri = req.getRequestURI();
var path = Arrays.stream(uri.split("/")).skip(1).collect(Collectors.toList());
if (path.isEmpty()) {
path.add(PAGE_START);
}
var optUser = loadUser(req);
handleGet(path, optUser, req, resp).ifPresent(resp.getWriter()::println);
}
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
var uri = req.getRequestURI();
var path = Arrays.stream(uri.split("/")).skip(1).collect(Collectors.toList());
if (path.isEmpty()) {
path.add(PAGE_START);
}
var optUser = loadUser(req);
handlePost(path, optUser, req, resp).ifPresent(resp.getWriter()::println);
}
private Optional<String> handleGet(List<String> path, Optional<User> optUser, HttpServletRequest req, HttpServletResponse resp) {
String token = path.remove(0);
if (optUser.isPresent()) {
var user = optUser.get();
switch (token) {
case PAGE_START:
return pageStart(user, req, resp);
case PAGE_WELCOME:
return pageWelcome(user,req, resp);
}
}
switch (token) {
case PAGE_LOGIN:
return pageLogin(req, resp);
case PAGE_START:
case PAGE_WELCOME:
return redirect(resp, PAGE_LOGIN);
}
return templates.message(ERR_PAGE_NOT_FOUND);
}
private Optional<String> handlePost(List<String> path, Optional<User> optUser, HttpServletRequest req, HttpServletResponse resp) {
String token = path.remove(0);
if (optUser.isPresent()) {
var user = optUser.get();
switch (token) {
case PAGE_START:
return pageStart(user, req, resp);
}
}
switch (token) {
case PAGE_LOGIN:
return postLogin(req, resp);
case PAGE_START:
return redirect(resp, PAGE_LOGIN);
}
return templates.message(ERR_PAGE_NOT_FOUND);
}
private Optional<User> loadUser(HttpServletRequest req) {
HttpSession session = req.getSession();
if (session.getAttribute(USER) instanceof User user) {
return Optional.of(user);
}
return Optional.empty();
}
private Optional<String> pageLogin(HttpServletRequest req, HttpServletResponse resp) {
LOG.debug("pageLogin(…)");
try {
var title = templates.message(TITLE_LOGIN).orElse(TITLE_LOGIN);
var head = templates.get("head.snippet", Map.of(TITLE, title)).get();
var login = templates.get("login.snippet", Map.of(USER, "Darling", EMAIL, "", PASSWORD, "")).get();
var page = templates.get("scaffold.html", Map.of(BODY, login, HEAD, head)).get();
resp.setContentType("text/html");
resp.getWriter().println(page);
return Optional.empty();
} catch (Exception e) {
return Optional.of(e.getMessage());
}
}
private Optional<String> pageStart(User user, HttpServletRequest req, HttpServletResponse resp) {
LOG.debug("pageStart(…)");
return Optional.empty();
}
private Optional<String> pageWelcome(User user, HttpServletRequest req, HttpServletResponse resp) {
LOG.debug("pageWelcome(…)");
try {
var title = templates.message(TITLE_WELCOME).orElse(TITLE_WELCOME);
var head = templates.get("head.snippet", Map.of(TITLE, title)).get();
var login = templates.get("welcome.snippet", Map.of(USER, "Darling", EMAIL, "", PASSWORD, "")).get();
var page = templates.get("scaffold.html", Map.of(BODY, login, HEAD, head)).get();
resp.setContentType("text/html");
resp.getWriter().println(page);
return Optional.empty();
} catch (Exception e) {
return Optional.of(e.getMessage());
}
}
private Optional<String> postLogin(HttpServletRequest req, HttpServletResponse resp) {
LOG.debug("postLogin(…)");
var email = req.getParameter(EMAIL);
if (braced(EMAIL).equals(email)) email = "";
var pass = req.getParameter(PASSWORD);
var user = tryLogin(email, pass);
if (user.isPresent()) {
req.getSession().setAttribute(USER, user.get());
return redirect(resp, PAGE_WELCOME);
}
try {
var title = templates.message(TITLE_LOGIN).orElse(TITLE_LOGIN);
var head = templates.get("head.snippet", Map.of(TITLE, title)).get();
var login = templates.get("login.snippet", Map.of(USER, "Darling", EMAIL, email, PASSWORD, "")).get();
var page = templates.get("scaffold.html", Map.of(BODY, login, HEAD, head)).get();
resp.setContentType("text/html");
resp.getWriter().println(page);
return Optional.empty();
} catch (Exception e) {
return Optional.of(e.getMessage());
}
}
private Optional<User> tryLogin(String email, String pass) {
if (email == null || pass == null) return Optional.empty();
if (email.equals(pass)) return Optional.of(new User());
return Optional.empty();
}
private Optional<String> redirect(HttpServletResponse resp, String path) {
try {
resp.sendRedirect(path);
} catch (IOException e) {
return templates.message(ERR_REDIRECT_FAILED, Map.of(TARGET, path));
}
return Optional.empty();
}
}

41
de.srsoftware.oidc.light/src/main/java/de/srsoftware/Templates.java → de.srsoftware.oidc.light/src/main/java/de/srsoftware/oidc/light/Templates.java
Unescape View File

@ -1,11 +1,14 @@
/* © SRSoftware 2024 */ /* © SRSoftware 2024 */
package de.srsoftware; package de.srsoftware.oidc.light;
import static de.srsoftware.oidc.light.Constants.MESSAGES;
import java.io.File; import java.io.File;
import java.io.FileNotFoundException; import java.io.FileNotFoundException;
import java.io.IOException; import java.io.IOException;
import java.nio.file.Files; import java.nio.file.Files;
import java.nio.file.Path; import java.nio.file.Path;
import java.util.HashMap;
import java.util.Map; import java.util.Map;
import java.util.Optional; import java.util.Optional;
import org.slf4j.Logger; import org.slf4j.Logger;
@ -15,6 +18,7 @@ public class Templates {
private static Templates singleton = null; private static Templates singleton = null;
private static Logger LOG = LoggerFactory.getLogger(Templates.class); private static Logger LOG = LoggerFactory.getLogger(Templates.class);
private Path dir = searchTemplates(); private Path dir = searchTemplates();
private Map<String, String> messages = null;
public Templates() throws FileNotFoundException {} public Templates() throws FileNotFoundException {}
@ -41,11 +45,14 @@ public class Templates {
return singleton; return singleton;
} }
public Optional<String> get(String path) {
return get(path, Map.of());
}
public Optional<String> get(String path, Map<String, String> replacements) { public Optional<String> get(String path, Map<String, String> replacements) {
var file = dir.resolve(path); var file = dir.resolve(path);
try { try {
return Optional.of(Files.readString(file)).map(s -> replaceKeys(s, replacements)); return Optional.of(Files.readString(file)).map(s -> replaceKeys(s, replacements));
// TODO: replacements
} catch (IOException e) { } catch (IOException e) {
LOG.warn("Failed to read {}", path, e); LOG.warn("Failed to read {}", path, e);
return Optional.empty(); return Optional.empty();
@ -54,7 +61,35 @@ public class Templates {
} }
private String replaceKeys(String text, Map<String, String> replacements) { private String replaceKeys(String text, Map<String, String> replacements) {
for (Map.Entry<String, String> replacement : replacements.entrySet()) text = text.replace("{"+replacement.getKey()+"}",replacement.getValue()); for (Map.Entry<String, String> replacement : replacements.entrySet())
text = text.replace(braced(replacement.getKey()), replacement.getValue());
return text; return text;
} }
public Optional<String> message(String code) {
return message(code, Map.of());
}
public Optional<String> message(String code, Map<String, String> replacements) {
if (this.messages == null) {
get(MESSAGES).map(s -> s.split("\n")).ifPresent(this::setMessages);
}
return Optional.ofNullable(messages.get(code)).map(text -> replaceKeys(text, replacements));
}
private void setMessages(String[] lines) {
this.messages = new HashMap<>();
for (String line : lines) {
var parts = line.split(" ", 2);
if (parts.length < 2) {
LOG.warn("Invalid format in {} file, skipped {}", MESSAGES, line);
continue;
}
messages.put(parts[0], parts[1]);
}
}
public static String braced(String key) {
return String.join(key, "{", "}");
}
} }

16
de.srsoftware.oidc.light/src/main/resources/templates/head.snippet
Unescape View File

@ -0,0 +1,16 @@
<meta charset="UTF-8">
<title>{title}</title>
<style>
body{
background-color: #555;
color: #eeffee;
}
label{
display: block;
}
fieldset{
border-radius: 10px;
display: inline;
margin: 0 auto;
}
</style>

16
de.srsoftware.oidc.light/src/main/resources/templates/login.snippet
Unescape View File

@ -0,0 +1,16 @@
<h1>Login</h1>
<form action="login" method="POST">
<fieldset>
<legend>Light OIDC Login</legend>
<label>
<input type="text" name="email" value="{email}" />
Email address
</label>
<label>
<input type="password" name="password" value="{password}" />
Password
</label>
<button type="submit">Login</button>
</fieldset>
</form>

2
de.srsoftware.oidc.light/src/main/resources/templates/messages.txt
Unescape View File

@ -0,0 +1,2 @@
title_login LightOIDC Login
title_welcome Willkommen bei LightOIDC!

6
de.srsoftware.oidc.light/src/main/resources/templates/scaffold.html
Unescape View File

@ -0,0 +1,6 @@
<!DOCTYPE html>
<html>
{head}
<body>
{body}
</html>

1
de.srsoftware.oidc.light/src/main/resources/templates/welcome.snippet
Unescape View File

@ -0,0 +1 @@
Willkommen!
Write Preview
Loading…
Cancel
Save