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phoenix
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1.0.6
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1.0.1
1.0.0
0.17.1
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0.9.0
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0.2.6
0.2.5
0.2.4
0.2.3
0.2.2
0.2.1
0.2.0
0.1.0
Productive. Reliable. Fast. A productive web framework that does not compromise speed or maintainability.
Security advisory:
This version has known vulnerabilities.
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Files
lib/phoenix/socket/message.ex
defmodule Phoenix.Socket.Message do
alias Poison, as: JSON
alias Phoenix.Socket.Message
defstruct channel: nil, topic: nil, event: nil, message: nil
defmodule InvalidMessage do
defexception [:message]
def exception(msg) do
%InvalidMessage{message: "Invalid Socket Message: #{inspect msg}"}
end
end
@doc """
Parse JSON into required format
Raises `Phoenix.Socket.Message.InvalidMessage` if invalid
The Message format requires the following keys:
* channel - The String Channel namespace, ie "messages"
* topic - The String topic namespace, ie "123"
* event - The String event name, ie "join"
* message - The String JSON message payload
Returns The `%Phoenix.Socket.Message{}` parsed from JSON
"""
def parse!(text) do
text |> JSON.decode! |> from_map!
end
@doc """
Converts a map with string keys into a `%Phoenix.Socket.Message{}`.
Raises `Phoenix.Socket.Message.InvalidMessage` if not valid
See `parse!/1` for required keys
"""
def from_map!(map) when is_map(map) do
try do
%Message{
channel: Map.fetch!(map, "channel"),
topic: Map.fetch!(map, "topic"),
event: Map.fetch!(map, "event"),
message: Map.fetch!(map, "message")
}
rescue
err in [KeyError] -> raise InvalidMessage, message: "Missing key: '#{err.key}'"
end
end
end