From 3b62c145f8d699767e13770d1bb21d07c2ba9b46 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?P=C3=A9ter=20Szil=C3=A1gyi?= <peterke@gmail.com>
Date: Wed, 2 Nov 2016 18:21:05 +0200
Subject: travis, build: implement uploading archives to azure

---
 internal/build/azure.go | 58 +++++++++++++++++++++++++++++++++++++++++++++++++
 internal/build/pgp.go   | 58 +++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 116 insertions(+)
 create mode 100644 internal/build/azure.go
 create mode 100644 internal/build/pgp.go

(limited to 'internal')

diff --git a/internal/build/azure.go b/internal/build/azure.go
new file mode 100644
index 000000000..124c3f6ec
--- /dev/null
+++ b/internal/build/azure.go
@@ -0,0 +1,58 @@
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package build
+
+import (
+	"os"
+
+	"github.com/Azure/azure-sdk-for-go/storage"
+)
+
+// AzureBlobstoreConfig is an authentication and configuration struct containing
+// the data needed by the Azure SDK to interact with a speicifc container in the
+// blobstore.
+type AzureBlobstoreConfig struct {
+	Account   string // Account name to authorize API requests with
+	Token     string // Access token for the above account
+	Container string // Blob container to upload files into
+}
+
+// AzureBlobstoreUpload uploads a local file to the Azure Blob Storage. Note, this
+// method assumes a max file size of 64MB (Azure limitation). Larger files will
+// need a multi API call approach implemented.
+//
+// See: https://msdn.microsoft.com/en-us/library/azure/dd179451.aspx#Anchor_3
+func AzureBlobstoreUpload(path string, name string, config AzureBlobstoreConfig) error {
+	// Create an authenticated client against the Azure cloud
+	rawClient, err := storage.NewBasicClient(config.Account, config.Token)
+	if err != nil {
+		return err
+	}
+	client := rawClient.GetBlobService()
+
+	// Stream the file to upload into the designated blobstore container
+	in, err := os.Open(path)
+	if err != nil {
+		return err
+	}
+	defer in.Close()
+
+	info, err := in.Stat()
+	if err != nil {
+		return err
+	}
+	return client.CreateBlockBlobFromReader(config.Container, name, uint64(info.Size()), in, nil)
+}
diff --git a/internal/build/pgp.go b/internal/build/pgp.go
new file mode 100644
index 000000000..cc60d64fb
--- /dev/null
+++ b/internal/build/pgp.go
@@ -0,0 +1,58 @@
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+// signFile reads the contents of an input file and signs it (in armored format)
+// with the key provided, placing the signature into the output file.
+
+package build
+
+import (
+	"bytes"
+	"fmt"
+	"os"
+
+	"golang.org/x/crypto/openpgp"
+)
+
+// PGPSignFile parses a PGP private key from the specified string and creates a
+// signature file into the output parameter of the input file.
+//
+// Note, this method assumes a single key will be container in the pgpkey arg,
+// furthermore that it is in armored format.
+func PGPSignFile(input string, output string, pgpkey string) error {
+	// Parse the keyring and make sure we only have a single private key in it
+	keys, err := openpgp.ReadArmoredKeyRing(bytes.NewBufferString(pgpkey))
+	if err != nil {
+		return err
+	}
+	if len(keys) != 1 {
+		return fmt.Errorf("key count mismatch: have %d, want %d", len(keys), 1)
+	}
+	// Create the input and output streams for signing
+	in, err := os.Open(input)
+	if err != nil {
+		return err
+	}
+	defer in.Close()
+
+	out, err := os.Create(output)
+	if err != nil {
+		return err
+	}
+	defer out.Close()
+
+	// Generate the signature and return
+	return openpgp.ArmoredDetachSignText(out, keys[0], in, nil)
+}
-- 
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