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gitlink-forgeplus
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ADD upload avatar api with support multiple image formats

This commit is contained in:
Jasder 2021-01-26 14:49:02 +08:00
parent dcda8671b3
commit 3b7d425198
1 changed files with 15 additions and 4 deletions
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19
app/libs/base64_image_converter.rb
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@ -1,5 +1,7 @@
class Base64ImageConverter class Base64ImageConverter
BASE64_HEAD = 'data:image/jpeg;base64,'.freeze # BASE64_HEAD = 'data:image/jpeg;base64,'.freeze
BASE64_HEAD_ARRAY = ['data:image/jpeg;base64,', 'data:image/jpg;base64,',
'data:image/png;base64,', 'data:image/gif;base64,']
Error = Class.new(StandardError) Error = Class.new(StandardError)
OutLimit = Class.new(Error) OutLimit = Class.new(Error)
@ -27,11 +29,20 @@ class Base64ImageConverter
private private
def valid_base64?(data) def valid_base64?(data)
data&.start_with?(BASE64_HEAD) # data&.start_with?(BASE64_HEAD)
BASE64_HEAD_ARRAY.include? base64_head_data(data)
end
def base64_head_data(data)
data&.split(',')[0] + ','
end
def base64_head(data)
valid_base64?(data) ? base64_head_data(data) : ''
end end
def image_data(data) def image_data(data)
data[BASE64_HEAD.size..-1] data[base64_head(data).size..-1]
end end
def size_limit def size_limit
@ -74,4 +85,4 @@ class Base64ImageConverter
data[0,2] == 0x89.chr + 80.chr data[0,2] == 0x89.chr + 80.chr
end end
end end
end end