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History/Changelog

Looking for free and real-time support?

https://github.com/kataras/iris/issues
https://chat.iris-go.com

Looking for previous versions?

https://github.com/kataras/iris/releases

Should I upgrade my Iris?

Developers are not forced to upgrade if they don't really need it. Upgrade whenever you feel ready.

Iris uses the vendor directory feature, so you get truly reproducible builds, as this method guards against upstream renames and deletes.

How to upgrade: Open your command-line and execute this command: go get -u github.com/kataras/iris or let the automatic updater do that for you.

We, 25 April 2018 | v10.6.1

Su, 22 April 2018 | v10.6.0

Sa, 24 March 2018 | v10.5.0

New

Add new client cache (helpers) middlewares for even faster static file servers. Read more there.

Breaking Change

Change the Value<T>Default(<T>, error) to Value<T>Default(key, defaultValue) <T> like ctx.PostValueIntDefault or ctx.Values().GetIntDefault or sessions/session#GetIntDefault or context#URLParamIntDefault. The proposal was made by @jefurry at kataras#937.

How to align your existing codebase

Just remove the second return value from these calls.

Nothing too special or hard to change here, think that in our 100+ _examples we had only two of them.

For example: at _examples/mvc/basic/main.go line 100 the count,_ := c.Session.GetIntDefault("count", 1) becomes now: count := c.Session.GetIntDefault("count", 1).

Remember that if you can't upgrade then just don't, we dont have any security fixes in this release, but at some point you will have to upgrade for your own good, we always add new features that you will love to embrace!

We, 14 March 2018 | v10.4.0

  • fix APIBuilder, Party#StaticWeb and APIBuilder, Party#StaticEmbedded wrong strip prefix inside children parties
  • keep the iris, core/router#StaticEmbeddedHandler and remove the core/router/APIBuilder#StaticEmbeddedHandler, (note the Handler suffix) it's global and has nothing to do with the Party or the APIBuilder
  • fix high path cleaning between {} (we already escape those contents at the interpreter level but some symbols are still removed by the higher-level api builder) , i.e \\ from the string's macro function regex contents as reported at 927 by commit e85b113476eeefffbc7823297cc63cd152ebddfd
  • sync the golang.org/x/sys/unix vendor

The most important

We've made static files served up to 8 times faster using the new tool, https://github.com/kataras/bindata which is a fork of your beloved go-bindata, some unnecessary things for us were removed there and contains some additions for performance boost.

Reqs/sec with shuLhan/go-bindata and alternatives

go-bindata

Reqs/sec with kataras/bindata

bindata

A new function Party#StaticEmbeddedGzip which has the same input arguments as the Party#StaticEmbedded added. The difference is that the new StaticEmbeddedGzip accepts the GzipAsset and GzipAssetNames from the bindata (go get -u github.com/kataras/bindata/cmd/bindata).

You can still use both bindata and go-bindata tools in the same folder, the first for embedding the rest of the static files (javascript, css, ...) and the second for embedding the templates!

A full example can be found at: _examples/file-server/embedding-gziped-files-into-app/main.go.

Happy Coding!

Sa, 10 March 2018 | v10.3.0

// NextOr checks if chain has a next handler, if so then it executes it
// otherwise it sets a new chain assigned to this Context based on the given handler(s)
// and executes its first handler.
//
// Returns true if next handler exists and executed, otherwise false.
//
// Note that if no next handler found and handlers are missing then
// it sends a Status Not Found (404) to the client and it stops the execution.
NextOr(handlers ...Handler) bool
// NextOrNotFound checks if chain has a next handler, if so then it executes it
// otherwise it sends a Status Not Found (404) to the client and stops the execution.
//
// Returns true if next handler exists and executed, otherwise false.
NextOrNotFound() bool

Th, 15 February 2018 | v10.2.1

Fix subdomains' StaticEmbedded & StaticWeb not found errors, as reported by @speedwheel via facebook page's chat.

Th, 08 February 2018 | v10.2.0

A new minor version family because it contains a BREAKING CHANGE and a new Party#Reset function.

Party#Done behavior change & new Party#DoneGlobal introduced

As correctly pointed out by @likakuli at kataras#901, the old Done registered handlers globally instead of party's and its children routes, this was not by accident because Done was introduced before the UseGlobal idea and it didn't change for the shake of stability. Now it's time to move on, the new Done should be called before the routes that they care about those done handlers and the new DoneGlobal works like the old Done; order doesn't matter and it appends those done handlers to the current registered routes and the future, globally (to all subdomains, parties every route in the Application).

The routing/writing-a-middleware examples are updated, read those to understand what's going on, although if you used iris before and you know the vocabulary we use you don't have to, the DoneGlobal and Done are clearly separated.

Party#Reset

A new Party#Reset() function introduced in order to be able to clear parent's Party's begin and done handlers that are registered via Use and Done at a previous state, nothing crazy about this, it just clears the middleware and doneHandlers of the current Party instance, see core/router#APIBuilder for more.

Update your codebase

Just replace all existing .Done( with .DoneGlobal( using a rich code editor (like the VSCode) which supports find and replace all and you're ready to Go:)

Tu, 06 February 2018 | v10.1.0

New Features:

  • Multi-Level subdomain redirect helper, you can find an example here
  • Cache middleware which makes use of the 304 status code, request fires from client to server but server respond with a status code, client is responsible to render the cached, you can find an example here
  • websocket/Connection#IsJoined(roomName string) new method to check if a user is joined to a room. An un-joined connections cannot send messages, this check is optionally.

More:

Tu, 16 January 2018 | v10.0.2

Security | iris.AutoTLS

Every server should be upgraded to this version, it contains fixes for the tls-sni challenge disabled some days ago by letsencrypt.org which caused almost every https-enabled golang server to be unable to be functional, therefore support for the http-01 challenge type added. Now the server is testing all available letsencrypt challenges.

Read more at:

Mo, 15 January 2018 | v10.0.1

Not any serious problems were found to be resolved here but one, the first one which is important for devs that used the cache package.

New Backers

  1. https://opencollective.com/cetin-basoz

New Translations

  1. The Chinese README_ZH.md and HISTORY_ZH.md was translated by @Zeno-Code via kataras#858
  2. New Russian README_RU.md translations by @merrydii via kataras#857
  3. New Greek README_GR.md and HISTORY_GR.md translations via https://github.com/kataras/iris/commit/8c4e17c2a5433c36c148a51a945c4dc35fbe502a#diff-74b06c740d860f847e7b577ad58ddde0 and https://github.com/kataras/iris/commit/bb5a81c540b34eaf5c6c8e993f644a0e66a78fb8

New Examples

  1. MVC - Register Middleware

New Articles

  1. A Todo MVC Application using Iris and Vue.js
  2. A Hasura starter project with a ready to deploy Golang hello-world web app with IRIS

Mo, 01 January 2018 | v10.0.0

We must thanks Mrs. Diana for our awesome new logo!

You can contact her for any design-related enquiries or explore and send a direct message via instagram.

At this version we have many internal improvements but just two major changes and one big feature, called hero.

The new version adds 75 plus new commits, the PR is located here read the internal changes if you are developing a web framework based on Iris. Why 9 was skipped? Because.

Hero

The new package hero contains features for binding any object or function that handlers may use, these are called dependencies. Hero funcs can also return any type of values, these values will be dispatched to the client.

You may saw binding before but you didn't have code editor's support, with Iris you get truly safe binding thanks to the new hero package. It's also fast, near to raw handlers performance because Iris calculates everything before server ran!

Below you will see some screenshots we prepared for you in order to be easier to understand:

1. Path Parameters - Built'n Dependencies

2. Services - Static Dependencies

3. Per-Request - Dynamic Dependencies

hero funcs are very easy to understand and when you start using them you never go back.

Examples:

MVC

You have to understand the hero package in order to use the mvc, because mvc uses the hero internally for the controller's methods you use as routes, the same rules applied to those controller's methods of yours as well.

With this version you can register any controller's methods as routes manually, you can get a route based on a method name and change its Name (useful for reverse routing inside templates), you can use any dependencies registered from hero.Register or mvc.New(iris.Party).Register per mvc application or per-controller, you can still use BeginRequest and EndRequest, you can catch BeforeActivation(b mvc.BeforeActivation) to add dependencies per controller and AfterActivation(a mvc.AfterActivation) to make any post-validations, singleton controllers when no dynamic dependencies are used, Websocket controller, as simple as a websocket.Connection dependency and more...

Examples:

If you used MVC before then read very carefully: MVC CONTAINS SOME BREAKING CHANGES BUT YOU CAN DO A LOT MORE AND EVEN FASTER THAN BEFORE

PLEASE READ THE EXAMPLES CAREFULLY, WE'VE MADE THEM FOR YOU

Old examples are here as well. Compare the two different versions of each example to understand what you win if you upgrade now.

NEW OLD
Hello world OLD Hello world
Session Controller OLD Session Controller
Overview - Plus Repository and Service layers OLD Overview - Plus Repository and Service layers
Login showcase - Plus Repository and Service layers OLD Login showcase - Plus Repository and Service layers
Singleton NEW
Websocket Controller NEW
Vue.js Todo MVC NEW

context#PostMaxMemory

Remove the old static variable context.DefaultMaxMemory and replace it with the configuration WithPostMaxMemory.

// WithPostMaxMemory sets the maximum post data size
// that a client can send to the server, this differs
// from the overral request body size which can be modified
// by the `context#SetMaxRequestBodySize` or `iris#LimitRequestBodySize`.
//
// Defaults to 32MB or 32 << 20 if you prefer.
func WithPostMaxMemory(limit int64) Configurator

If you used that old static field you will have to change that single line.

Usage:

import "github.com/kataras/iris"

func main() {
    app := iris.New()
    // [...]

    app.Run(iris.Addr(":8080"), iris.WithPostMaxMemory(10 << 20))
}

context#UploadFormFiles

New method to upload multiple files, should be used for common upload actions, it's just a helper function.

// UploadFormFiles uploads any received file(s) from the client
// to the system physical location "destDirectory".
//
// The second optional argument "before" gives caller the chance to
// modify the *miltipart.FileHeader before saving to the disk,
// it can be used to change a file's name based on the current request,
// all FileHeader's options can be changed. You can ignore it if
// you don't need to use this capability before saving a file to the disk.
//
// Note that it doesn't check if request body streamed.
//
// Returns the copied length as int64 and
// a not nil error if at least one new file
// can't be created due to the operating system's permissions or
// http.ErrMissingFile if no file received.
//
// If you want to receive & accept files and manage them manually you can use the `context#FormFile`
// instead and create a copy function that suits your needs, the below is for generic usage.
//
// The default form's memory maximum size is 32MB, it can be changed by the
//  `iris#WithPostMaxMemory` configurator at main configuration passed on `app.Run`'s second argument.
//
// See `FormFile` to a more controlled to receive a file.
func (ctx *context) UploadFormFiles(
        destDirectory string,
        before ...func(string, string),
    ) (int64, error)

Example can be found here.

context#View

Just a minor addition, add a second optional variadic argument to the context#View method to accept a single value for template binding. When you just want one value and not key-value pairs, you used to use an empty string on the ViewData, which is fine, especially if you preload these from a previous handler/middleware in the request handlers chain.

func(ctx iris.Context) {
    ctx.ViewData("", myItem{Name: "iris" })
    ctx.View("item.html")
}

Same as:

func(ctx iris.Context) {
    ctx.View("item.html", myItem{Name: "iris" })
}
Item's name: {{.Name}}

context#YAML

Add a new context#YAML function, it renders a yaml from a structured value.

// YAML marshals the "v" using the yaml marshaler and renders its result to the client.
func YAML(v interface{}) (int, error)

Session#GetString

sessions/session#GetString can now return a filled value even if the stored value is a type of integer, just like the memstore, the context's temp store, the context's path parameters and the context's url parameters.