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Add headerless-body and DER-wrap strategies to ASC key normalizer

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The .p8 file from Apple has no PEM headers, just the raw base64
body. Add strategies for: headerless body wrapped with PEM headers,
base64-decoded DER re-wrapped as PEM, and double-decoded DER. Also
show hex bytes in diagnostics for better binary data analysis.
Secret has been re-set with properly PEM-wrapped + base64-encoded
content matching the reusable workflow's expected format.
This commit is contained in:
Adam Moussa 2026-05-19 18:40:29 -04:00
parent 279cd6c94a
commit a1f2e22562
1 changed files with 13 additions and 1 deletions
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14
mobile/fastlane/Fastfile
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@ -27,6 +27,12 @@ def normalize_p8_key(raw)
candidates << ["rewrapped PEM", rewrapped]
end
unless with_newlines.include?("BEGIN")
body = cleaned.strip.gsub(/\s+/, '')
pem = "-----BEGIN PRIVATE KEY-----\n#{body.scan(/.{1,64}/).join("\n")}\n-----END PRIVATE KEY-----\n"
candidates << ["headerless body → PEM", pem]
end
begin
decoded = Base64.decode64(cleaned.strip)
if decoded.include?("BEGIN")
@ -37,6 +43,8 @@ def normalize_p8_key(raw)
candidates << ["base64→PEM rewrapped", rewrapped]
elsif decoded.length.between?(32, 256)
candidates << ["base64→DER", decoded]
der_pem = "-----BEGIN PRIVATE KEY-----\n#{Base64.strict_encode64(decoded).scan(/.{1,64}/).join("\n")}\n-----END PRIVATE KEY-----\n"
candidates << ["base64→DER→PEM", der_pem]
end
rescue StandardError
# not valid base64
@ -46,6 +54,9 @@ def normalize_p8_key(raw)
double = Base64.decode64(Base64.decode64(cleaned.strip).strip)
if double.include?("BEGIN")
candidates << ["double-base64→PEM", double.gsub("\r", "")]
elsif double.length.between?(32, 256)
der_pem = "-----BEGIN PRIVATE KEY-----\n#{Base64.strict_encode64(double).scan(/.{1,64}/).join("\n")}\n-----END PRIVATE KEY-----\n"
candidates << ["double-base64→DER→PEM", der_pem]
end
rescue StandardError
# not double-encoded
@ -72,7 +83,8 @@ def normalize_p8_key(raw)
UI.error("Header (first 27 chars): #{raw[0..26]}")
begin
d = Base64.decode64(raw.strip)
UI.error("After base64 decode — length: #{d.bytesize}, header: #{d[0..26]}")
hex = d.bytes[0..15].map { |b| format('%02x', b) }.join(' ')
UI.error("After base64 decode — length: #{d.bytesize}, first 16 bytes hex: #{hex}")
rescue StandardError
UI.error("base64 decode raised an exception")
end