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Refactor commonly used request and response headers

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This commit is contained in:
Omar Roth 2019-06-23 08:39:14 -05:00
parent cc6d6ddd66
commit 47ef74a1bb
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1 changed files with 23 additions and 18 deletions
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src/invidious.cr
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@ -47,12 +47,17 @@ PUBSUB_URL = URI.parse("https://pubsubhubbub.appspot.com")
REDDIT_URL = URI.parse("https://www.reddit.com")
TEXTCAPTCHA_URL = URI.parse("http://textcaptcha.com")
YT_URL = URI.parse("https://www.youtube.com")
CHARS_SAFE = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_"
TEST_IDS = {"AgbeGFYluEA", "BaW_jenozKc", "a9LDPn-MO4I", "ddFvjfvPnqk", "iqKdEhx-dD4"}
MAX_ITEMS_PER_PAGE = 1500
REQUEST_HEADERS_WHITELIST = {"Accept", "Accept-Encoding", "Cache-Control", "Connection", "Content-Length", "If-None-Match", "Range"}
RESPONSE_HEADERS_BLACKLIST = {"Access-Control-Allow-Origin", "Alt-Svc", "Server"}
CURRENT_BRANCH = {{ "#{`git branch | sed -n '/\* /s///p'`.strip}" }}
CURRENT_COMMIT = {{ "#{`git rev-list HEAD --max-count=1 --abbrev-commit`.strip}" }}
CURRENT_VERSION = {{ "#{`git describe --tags --abbrev=0`.strip}" }}
MAX_ITEMS_PER_PAGE = 1500
# This is used to determine the `?v=` on the end of file URLs (for cache busting). We
# only need to expire modified assets, so we can use this to find the last commit that changes
@ -4600,7 +4605,7 @@ get "/videoplayback" do |env|
url = "/videoplayback?#{query_params.to_s}"
headers = HTTP::Headers.new
{"Accept", "Accept-Encoding", "Cache-Control", "Connection", "If-None-Match", "Range"}.each do |header|
REQUEST_HEADERS_WHITELIST.each do |header|
if env.request.headers[header]?
headers[header] = env.request.headers[header]
end
@ -4649,7 +4654,7 @@ get "/videoplayback" do |env|
env.response.status_code = response.status_code
response.headers.each do |key, value|
if !{"Access-Control-Allow-Origin", "Alt-Svc", "Server"}.includes? key
if !RESPONSE_HEADERS_BLACKLIST.includes? key
env.response.headers[key] = value
end
end
@ -4691,7 +4696,7 @@ get "/ggpht/*" do |env|
url = env.request.path.lchop("/ggpht")
headers = HTTP::Headers.new
{"Accept", "Accept-Encoding", "Cache-Control", "Connection", "If-None-Match", "Range"}.each do |header|
REQUEST_HEADERS_WHITELIST.each do |header|
if env.request.headers[header]?
headers[header] = env.request.headers[header]
end
@ -4700,7 +4705,7 @@ get "/ggpht/*" do |env|
begin
client.get(url, headers) do |response|
response.headers.each do |key, value|
if !{"Access-Control-Allow-Origin", "Alt-Svc", "Server"}.includes? key
if !RESPONSE_HEADERS_BLACKLIST.includes? key
env.response.headers[key] = value
end
end
@ -4739,7 +4744,7 @@ get "/sb/:id/:storyboard/:index" do |env|
url = "/sb/#{id}/#{storyboard}/#{index}?#{env.params.query}"
headers = HTTP::Headers.new
{"Accept", "Accept-Encoding", "Cache-Control", "Connection", "If-None-Match", "Range"}.each do |header|
REQUEST_HEADERS_WHITELIST.each do |header|
if env.request.headers[header]?
headers[header] = env.request.headers[header]
end
@ -4749,7 +4754,7 @@ get "/sb/:id/:storyboard/:index" do |env|
client.get(url, headers) do |response|
env.response.status_code = response.status_code
response.headers.each do |key, value|
if !{"Access-Control-Allow-Origin", "Alt-Svc", "Server"}.includes? key
if !RESPONSE_HEADERS_BLACKLIST.includes? key
env.response.headers[key] = value
end
end
@ -4784,7 +4789,7 @@ get "/vi/:id/:name" do |env|
url = "/vi/#{id}/#{name}"
headers = HTTP::Headers.new
{"Accept", "Accept-Encoding", "Cache-Control", "Connection", "If-None-Match", "Range"}.each do |header|
REQUEST_HEADERS_WHITELIST.each do |header|
if env.request.headers[header]?
headers[header] = env.request.headers[header]
end
@ -4794,7 +4799,7 @@ get "/vi/:id/:name" do |env|
client.get(url, headers) do |response|
env.response.status_code = response.status_code
response.headers.each do |key, value|
if !{"Access-Control-Allow-Origin", "Alt-Svc", "Server"}.includes? key
if !RESPONSE_HEADERS_BLACKLIST.includes? key
env.response.headers[key] = value
end
end