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briar-headless: POST text as JSON in body instead of form parameter

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This commit is contained in:
Torsten Grote
2018-10-05 15:17:42 -03:00
parent 66619fd3a4
commit 280f3ba1fc
8 changed files with 74 additions and 37 deletions
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20
briar-headless/src/main/java/org/briarproject/briar/headless/Router.kt
View File

@@ -1,5 +1,9 @@
package org.briarproject.briar.headless
import com.fasterxml.jackson.core.JsonParseException
import com.fasterxml.jackson.databind.ObjectMapper
import io.javalin.BadRequestResponse
import io.javalin.Context
import io.javalin.Javalin
import io.javalin.JavalinEvent.SERVER_START_FAILED
import io.javalin.JavalinEvent.SERVER_STOPPED
@@ -103,3 +107,19 @@ constructor(
}
}
/**
* Returns a String from the JSON field or throws [BadRequestResponse] if null or empty.
*/
fun Context.getFromJson(field: String) : String {
try {
// TODO use a static object mapper to avoid re-initializations
val jsonNode = ObjectMapper().readTree(body())
if (!jsonNode.hasNonNull(field)) throw BadRequestResponse("'$field' missing in JSON")
val result = jsonNode.get(field).asText()
if (result == null || result.isEmpty()) throw BadRequestResponse("'$field' empty in JSON")
return result
} catch (e: JsonParseException) {
throw BadRequestResponse("Invalid JSON")
}
}

11
briar-headless/src/main/java/org/briarproject/briar/headless/blogs/BlogControllerImpl.kt
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@@ -5,9 +5,10 @@ import io.javalin.Context
import org.briarproject.bramble.api.identity.IdentityManager
import org.briarproject.bramble.api.system.Clock
import org.briarproject.bramble.util.StringUtils
import org.briarproject.briar.api.blog.BlogConstants
import org.briarproject.briar.api.blog.BlogConstants.MAX_BLOG_POST_BODY_LENGTH
import org.briarproject.briar.api.blog.BlogManager
import org.briarproject.briar.api.blog.BlogPostFactory
import org.briarproject.briar.headless.getFromJson
import javax.annotation.concurrent.Immutable
import javax.inject.Inject
import javax.inject.Singleton
@@ -26,16 +27,16 @@ constructor(
override fun listPosts(ctx: Context): Context {
val posts = blogManager.blogs
.flatMap { blog -> blogManager.getPostHeaders(blog.id) }
.asSequence()
.sortedBy { it.timeReceived }
.map { header -> header.output(blogManager.getPostBody(header.id)) }
.toList()
return ctx.json(posts)
}
override fun createPost(ctx: Context): Context {
val text = ctx.formParam("text")
if (text == null || text.isEmpty())
throw BadRequestResponse("Expecting blog post text")
if (StringUtils.utf8IsTooLong(text, BlogConstants.MAX_BLOG_POST_BODY_LENGTH))
val text = ctx.getFromJson("text")
if (StringUtils.utf8IsTooLong(text, MAX_BLOG_POST_BODY_LENGTH))
throw BadRequestResponse("Too long blog post text")
val author = identityManager.localAuthor

9
briar-headless/src/main/java/org/briarproject/briar/headless/forums/ForumControllerImpl.kt
View File

@@ -3,8 +3,9 @@ package org.briarproject.briar.headless.forums
import io.javalin.BadRequestResponse
import io.javalin.Context
import org.briarproject.bramble.util.StringUtils
import org.briarproject.briar.api.forum.ForumConstants
import org.briarproject.briar.api.forum.ForumConstants.MAX_FORUM_NAME_LENGTH
import org.briarproject.briar.api.forum.ForumManager
import org.briarproject.briar.headless.getFromJson
import javax.annotation.concurrent.Immutable
import javax.inject.Inject
import javax.inject.Singleton
@@ -20,10 +21,8 @@ constructor(private val forumManager: ForumManager) : ForumController {
}
override fun create(ctx: Context): Context {
val name = ctx.formParam("text")
if (name == null || name.isNullOrEmpty())
throw BadRequestResponse("Expecting Forum Name")
if (StringUtils.utf8IsTooLong(name, ForumConstants.MAX_FORUM_NAME_LENGTH))
val name = ctx.getFromJson("text")
if (StringUtils.utf8IsTooLong(name, MAX_FORUM_NAME_LENGTH))
throw BadRequestResponse("Forum name is too long")
return ctx.json(forumManager.addForum(name).output())
}

5
briar-headless/src/main/java/org/briarproject/briar/headless/messaging/MessagingControllerImpl.kt
View File

@@ -25,6 +25,7 @@ import org.briarproject.briar.api.privategroup.invitation.GroupInvitationRequest
import org.briarproject.briar.api.privategroup.invitation.GroupInvitationResponse
import org.briarproject.briar.headless.event.WebSocketController
import org.briarproject.briar.headless.event.output
import org.briarproject.briar.headless.getFromJson
import org.briarproject.briar.headless.json.JsonDict
import java.util.concurrent.Executor
import javax.annotation.concurrent.Immutable
@@ -59,9 +60,7 @@ constructor(
override fun write(ctx: Context): Context {
val contact = getContact(ctx)
val message = ctx.formParam("text")
if (message == null || message.isEmpty())
throw BadRequestResponse("Expecting Message text")
val message = ctx.getFromJson("text")
if (utf8IsTooLong(message, MAX_PRIVATE_MESSAGE_BODY_LENGTH))
throw BadRequestResponse("Message text too large")