[chrome-gnome-shell/feature/opera] Added Opera support to build system and connector

[Yuri Konotopov <ykonotopov src gnome org>]

commit 25d4000eb57f6b858c3ec9865681bc278cb63d5d
Author: Yuri Konotopov <ykonotopov gmail com>
Date:   Fri Aug 19 00:21:36 2016 +0300

    Added Opera support to build system and connector

 CMakeLists.txt                                     |   66 +++++++++++++++++--
 .../io.github.ne0sight.gs_chrome_connector.json    |    3 +-
 connector/org.gnome.chrome_gnome_shell.json        |    3 +-
 extension/manifest.json                            |    1 +
 4 files changed, 64 insertions(+), 9 deletions(-)
---
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3763583..921064b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -16,6 +16,11 @@ set(ARCHIVE_FULL_NAME ${ARCHIVE_NAME}.tar.xz)
 set(ARCHIVE_DEB_NAME ${CMAKE_PROJECT_NAME}_${PROJECT_VERSION}.orig.tar.xz)
 set(DEB_DIR ${CMAKE_CURRENT_BINARY_DIR}/deb)
 
+set(EXTENSION_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/extension)
+set(EXTENSION_BUILD_DIR ${CMAKE_BINARY_DIR}/extension)
+set(CHROME_BUILD_DIR ${EXTENSION_BUILD_DIR}/chrome)
+set(OPERA_BUILD_DIR ${EXTENSION_BUILD_DIR}/opera)
+
 # Options
 option(BUILD_EXTENSION         "Build extension zip package"   TRUE)
 option(BUILD_CONNECTOR         "Build native messaging host"   TRUE)
@@ -23,10 +28,15 @@ option(BUILD_SOURCE_PACKAGE "Build source package"          FALSE)
 option(BUILD_DEB               "Build debian package"          FALSE)
 option(BUILD_MESSAGES          "Update translation strings"    FALSE)
 
-# Default extensions id for Chrome web store
-if(NOT DEFINED(EXTENSION_ID))
-       set(EXTENSION_ID "gphhapmejobijbbhgpjhcjognlahblep")
-endif(NOT DEFINED(EXTENSION_ID))
+# Default extension key for Chrome web store
+if(NOT DEFINED(CHROME_EXTENSION_KEY))
+       set(CHROME_EXTENSION_KEY 
"MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAlig8TAPPQZinMkJnptC0ldizx6fG9jSjZDJ9c8GuLcXeGRH+NMlQuPC9bR5IQlT7+4VY/1tm1+IZ4xvITx1wXCNTR+KXzZv3VNc2D+logehK7oIRTRj0fLhixrx4NLSNK7L7HgV2xcIoW6QV0jOdFcTPL0mWXodXSzZePrvXuflF7qpwNxLzYVi04Vh3xu2oR2Pc9SwfZ4SNbyCaunH/p8n5AYmDuogI2Ah++RZw0ctnqn7mmHrGXteBu/vkpcHZu3B3eW9PFSrv69rRs8duybYR9C91hJm6yzRqZqIpindIU3k2HnNWeCFWkRVpZPhaNVoxcBUO7wWUUwdIflW2JwIDAQAB")
+endif(NOT DEFINED(CHROME_EXTENSION_KEY))
+
+# Default extension key for Opera addons
+if(NOT DEFINED(OPERA_EXTENSION_KEY))
+       set(OPERA_EXTENSION_KEY 
"MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1QBzvBFxSTBP1Z3u+B3GnxOhZiT/LLGJ9R3Mu3R5ap1YgvbHNqSj0CmrWE+MvJUYA+AxHSRP6ctKfPBZl/kdGYGLPgvagGBEEbutCerj9www7T2LAsFNc5gIgDXaU0P74Yik8MjLZIXOC3Q91Kien5Jbtit382HNVHl2nRbhgGZ9LZ+6UJnzSseW9NHw0/XRRnT0kv0Ih7lgC55xWfP7guam1uaT5DPxC7W5cy9V1z7mljBf50OxgnbEmf7Xvfz4QpQfDyQWE5hqKlBuPc8W/8bvYmWN+FDBqhls/FCml3icAElNMBg0YryFEDzu6xCTzgHqDKYu5SN49u+m6tyamQIDAQAB")
+endif(NOT DEFINED(OPERA_EXTENSION_KEY))
 
 # Debian variables
 if(NOT DEFINED(DEBIAN_VERSION))
@@ -70,13 +80,55 @@ if(BUILD_MESSAGES AND NOT DEFINED GETTEXT_REPORT_EMAIL)
        message(FATAL_ERROR "GETTEXT_REPORT_EMAIL must be specified to generate po template.")
 endif(BUILD_MESSAGES AND NOT DEFINED GETTEXT_REPORT_EMAIL)
 
+if(BUILD_EXTENSION OR BUILD_CONNECTOR)
+       find_program_ex(base64 FATAL_ERROR)
+       find_program_ex(sha256sum FATAL_ERROR)
+       find_program_ex(head FATAL_ERROR)
+       find_program_ex(tr FATAL_ERROR)
+
+       # https://github.com/adobe/chromium/blob/master/chrome/common/extensions/extension.cc#L696
+       # http://stackoverflow.com/questions/23873623/obtaining-chrome-extension-id-for-development
+       execute_process(COMMAND echo "${CHROME_EXTENSION_KEY}"
+                       COMMAND ${BASE64_EXECUTABLE} -d
+                       COMMAND ${SHA256SUM_EXECUTABLE}
+                       COMMAND ${HEAD_EXECUTABLE} -c32
+                       COMMAND ${TR_EXECUTABLE} 0-9a-f a-p
+                       OUTPUT_VARIABLE CHROME_EXTENSION_ID)
+       message(STATUS "Calculated Chrome extension id: ${CHROME_EXTENSION_ID}")
+
+       execute_process(COMMAND echo "${OPERA_EXTENSION_KEY}"
+                       COMMAND ${BASE64_EXECUTABLE} -d
+                       COMMAND ${SHA256SUM_EXECUTABLE}
+                       COMMAND ${HEAD_EXECUTABLE} -c32
+                       COMMAND ${TR_EXECUTABLE} 0-9a-f a-p
+                       OUTPUT_VARIABLE OPERA_EXTENSION_ID)
+       message(STATUS "Calculated Opera extension id: ${OPERA_EXTENSION_ID}")
+endif(BUILD_EXTENSION OR BUILD_CONNECTOR)
+
 # Options handling
 if(BUILD_EXTENSION)
        find_program_ex(7z FATAL_ERROR)
 
-       add_custom_target(extension ALL
-               COMMAND "${7Z_EXECUTABLE}" a -tzip "${CMAKE_BINARY_DIR}/extension.zip" ./
-               WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/extension/")
+       file(COPY "${EXTENSION_SOURCES}/" DESTINATION "${CHROME_BUILD_DIR}"
+               PATTERN "manifest.json" EXCLUDE)
+
+       file(COPY "${EXTENSION_SOURCES}/" DESTINATION "${OPERA_BUILD_DIR}"
+               PATTERN "manifest.json" EXCLUDE)
+
+       set(PUBLIC_KEY ${CHROME_EXTENSION_KEY})
+       configure_file("${EXTENSION_SOURCES}/manifest.json" "${CHROME_BUILD_DIR}/")
+
+       set(PUBLIC_KEY ${OPERA_EXTENSION_KEY})
+       configure_file("${EXTENSION_SOURCES}/manifest.json" "${OPERA_BUILD_DIR}/")
+
+       unset(PUBLIC_KEY)
+
+       add_custom_target(chrome-extension ALL
+               COMMAND "${7Z_EXECUTABLE}" a -tzip "${CMAKE_BINARY_DIR}/extension-chrome.zip" ./
+               WORKING_DIRECTORY "${CHROME_BUILD_DIR}")
+       add_custom_target(opera-extension ALL
+               COMMAND "${7Z_EXECUTABLE}" a -tzip "${CMAKE_BINARY_DIR}/extension-opera.zip" ./
+               WORKING_DIRECTORY "${OPERA_BUILD_DIR}")
 endif(BUILD_EXTENSION)
 
 if(BUILD_CONNECTOR)
diff --git a/connector/io.github.ne0sight.gs_chrome_connector.json 
b/connector/io.github.ne0sight.gs_chrome_connector.json
index 9345c17..a938ce3 100644
--- a/connector/io.github.ne0sight.gs_chrome_connector.json
+++ b/connector/io.github.ne0sight.gs_chrome_connector.json
@@ -4,6 +4,7 @@
   "path": "${CMAKE_INSTALL_FULL_BINDIR}/chrome-gnome-shell",
   "type": "stdio",
   "allowed_origins": [
-    "chrome-extension://${EXTENSION_ID}/"
+    "chrome-extension://${CHROME_EXTENSION_ID}/",
+    "chrome-extension://${OPERA_EXTENSION_ID}/"
   ]
 }
diff --git a/connector/org.gnome.chrome_gnome_shell.json b/connector/org.gnome.chrome_gnome_shell.json
index 0f06ce0..3d94d5c 100644
--- a/connector/org.gnome.chrome_gnome_shell.json
+++ b/connector/org.gnome.chrome_gnome_shell.json
@@ -4,6 +4,7 @@
   "path": "${CMAKE_INSTALL_FULL_BINDIR}/chrome-gnome-shell",
   "type": "stdio",
   "allowed_origins": [
-    "chrome-extension://${EXTENSION_ID}/"
+    "chrome-extension://${CHROME_EXTENSION_ID}/",
+    "chrome-extension://${OPERA_EXTENSION_ID}/"
   ]
 }
diff --git a/extension/manifest.json b/extension/manifest.json
index 14571ee..d9ea584 100644
--- a/extension/manifest.json
+++ b/extension/manifest.json
@@ -9,6 +9,7 @@
   "default_locale": "en",
 
   "author": "Yuri Konotopov <ykonotopov gmail com>",
+  "key": "${PUBLIC_KEY}",
 
   "icons": {
     "16": "icons/GnomeLogo-16.png",