136 lines
3.2 KiB
Elixir
136 lines
3.2 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.HTTP.RequestBuilder do
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@moduledoc """
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Helper functions for building Tesla requests
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"""
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@doc """
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Specify the request method when building a request
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## Parameters
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- request (Map) - Collected request options
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- m (atom) - Request method
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## Returns
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Map
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"""
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@spec method(map(), atom) :: map()
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def method(request, m) do
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Map.put_new(request, :method, m)
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end
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@doc """
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Specify the request method when building a request
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## Parameters
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- request (Map) - Collected request options
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- u (String) - Request URL
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## Returns
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Map
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"""
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@spec url(map(), String.t()) :: map()
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def url(request, u) do
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Map.put_new(request, :url, u)
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end
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@doc """
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Add headers to the request
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"""
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@spec headers(map(), list(tuple)) :: map()
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def headers(request, h) do
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Map.put_new(request, :headers, h)
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end
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@doc """
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Add custom, per-request middleware or adapter options to the request
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"""
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@spec opts(map(), Keyword.t()) :: map()
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def opts(request, options) do
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Map.put_new(request, :opts, options)
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end
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@doc """
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Add optional parameters to the request
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## Parameters
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- request (Map) - Collected request options
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- definitions (Map) - Map of parameter name to parameter location.
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- options (KeywordList) - The provided optional parameters
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## Returns
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Map
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"""
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@spec add_optional_params(map(), %{optional(atom) => atom}, keyword()) :: map()
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def add_optional_params(request, _, []), do: request
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def add_optional_params(request, definitions, [{key, value} | tail]) do
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case definitions do
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%{^key => location} ->
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request
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|> add_param(location, key, value)
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|> add_optional_params(definitions, tail)
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_ ->
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add_optional_params(request, definitions, tail)
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end
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end
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@doc """
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Add optional parameters to the request
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## Parameters
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- request (Map) - Collected request options
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- location (atom) - Where to put the parameter
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- key (atom) - The name of the parameter
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- value (any) - The value of the parameter
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## Returns
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Map
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"""
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@spec add_param(map(), atom, atom, any()) :: map()
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def add_param(request, :query, :query, values), do: Map.put(request, :query, values)
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def add_param(request, :body, :body, value), do: Map.put(request, :body, value)
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def add_param(request, :body, key, value) do
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request
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|> Map.put_new_lazy(:body, &Tesla.Multipart.new/0)
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|> Map.update!(
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:body,
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&Tesla.Multipart.add_field(
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&1,
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key,
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Jason.encode!(value),
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headers: [{:"Content-Type", "application/json"}]
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)
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)
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end
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def add_param(request, :file, name, path) do
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request
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|> Map.put_new_lazy(:body, &Tesla.Multipart.new/0)
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|> Map.update!(:body, &Tesla.Multipart.add_file(&1, path, name: name))
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end
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def add_param(request, :form, name, value) do
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request
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|> Map.update(:body, %{name => value}, &Map.put(&1, name, value))
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end
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def add_param(request, location, key, value) do
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Map.update(request, location, [{key, value}], &(&1 ++ [{key, value}]))
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end
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end
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