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Vx.x.x (Pre-release)

Release Highlights

Important Notes

  • #453 Responses to endpoints with a proxy prefix will now return headers for preventing browser caching.

Breaking Changes

  • #464 Migration from Pusher to independent org may have introduced breaking changes for your environment.
    • See the changes listed below for PR #464 for full details
    • Binaries renamed from oauth2_proxy to oauth2-proxy
  • #440 Switch Azure AD Graph API to Microsoft Graph API
    • The Azure AD Graph API has been deprecated and is being replaced by the Microsoft Graph API. If your application relies on the access token being passed to it to access the Azure AD Graph API, you should migrate your application to use the Microsoft Graph API. Existing behaviour can be retained by setting -resource=https://graph.windows.net.
  • #484 Configuration loading has been replaced with Viper and PFlag
    • Flags now require a -- prefix before the option
    • Previously flags allowed either - or -- to prefix the option name
    • Eg -provider must now be --provider
  • #487 Switch flags to StringSlice instead of StringArray
    • Options that take multiple arguments now split strings on commas if present
    • Eg --foo=a,b,c,d would result in the values a, b, c and d instead of a single a,b,c,d value as before
  • #535 Drop support for pre v3.1 cookies
    • The encoding for session cookies was changed starting in v3.1.0, support for the previous encoding is now dropped
    • If you are upgrading from a version earlier than this, please upgrade via a version between v3.1.0 and v5.1.1
  • #537 Drop Fallback to Email if User not set
    • Previously, when a session was loaded, if the User was not set, it would be replaced by the Email. This behaviour was inconsistent as it required the session to be stored and then loaded to function properly.
    • This behaviour has now been removed and the User field will remain empty if it was not set when the session was saved.
    • In some scenarios X-Forwarded-User will now be empty. Use X-Forwarded-Email instead.
    • In some scenarios, this may break setting Basic Auth on upstream or responses. Use --prefer-email-to-user to restore falling back to the Email in these cases.
  • #556 Remove unintentional auto-padding of secrets that were too short
    • Previously, after cookie-secrets were opportunistically base64 decoded to raw bytes, they were padded to have a length divisible by 4.
    • This led to wrong sized secrets being valid AES lengths of 16, 24, or 32 bytes. Or it led to confusing errors reporting an invalid length of 20 or 28 when the user input cookie-secret was not that length.
    • Now we will only base64 decode a cookie-secret to raw bytes if it is 16, 24, or 32 bytes long. Otherwise, we will convert the direct cookie-secret to bytes without silent padding added.
  • #412/#559 Allow multiple cookie domains to be specified
    • Multiple cookie domains may now be configured. The longest domain that matches will be used.
    • The config options cookie_domain is now cookie_domains
    • The environment variable OAUTH2_PROXY_COOKIE_DOMAIN is now OAUTH2_PROXY_COOKIE_DOMAINS
  • #414 Always encrypt sessions regardless of config
    • Previously, sessions were encrypted only when certain options were configured. This lead to confusion and misconfiguration as it was not obvious when a session should be encrypted.
    • Cookie Secrets must now be 16, 24 or 32 bytes.
    • If you need to change your secret, this will force users to reauthenticate.
  • #548 Separate logging options out of main options structure
    • Fixes an inconsistency in the --exclude-logging-paths option by renaming it to --exclude-logging-option.
    • This flag may now be given multiple times as with other list options
    • This flag also accepts comma separated values

Changes since v5.1.1

  • #598 acr_values no longer sent to IdP when empty (@ScottGuymer)
  • #548 Separate logging options out of main options structure (@JoelSpeed)
  • #536 Improvements to Session State code (@JoelSpeed)
  • #573 Properly parse redis urls for cluster and sentinel connections (@amnay-mo)
  • #574 render error page on 502 proxy status (@amnay-mo)
  • #559 Rename cookie-domain config to cookie-domains (@JoelSpeed)
  • #569 Updated autocompletion for -- long options. (@Izzette)
  • #489 Move Options and Validation to separate packages (@JoelSpeed)
  • #556 Remove unintentional auto-padding of secrets that were too short (@NickMeves)
  • #538 Refactor sessions/utils.go functionality to other areas (@NickMeves)
  • #503 Implements --real-client-ip-header option to select the header from which to obtain a proxied client's IP (@Izzette)
  • #529 Add local test environments for testing changes and new features (@JoelSpeed)
  • #537 Drop Fallback to Email if User not set (@JoelSpeed)
  • #535 Drop support for pre v3.1 cookies (@JoelSpeed)
  • #533 Set up code coverage within Travis for Code Climate (@JoelSpeed)
  • #514 Add basic string functions to templates
  • #524 Sign cookies with SHA256 (@NickMeves)
  • #515 Drop configure script in favour of native Makefile env and checks (@JoelSpeed)
  • #519 Support context in providers (@johejo)
  • #487 Switch flags to PFlag to remove StringArray (@JoelSpeed)
  • #484 Replace configuration loading with Viper (@JoelSpeed)
  • #499 Add -user-id-claim to support generic claims in addition to email (@holyjak)
  • #486 Add new linters (@johejo)
  • #440 Switch Azure AD Graph API to Microsoft Graph API (@johejo)
  • #453 Prevent browser caching during auth flow (@johejo)
  • #467 Allow OIDC issuer verification to be skipped (@chkohner)
  • #481 Update Okta docs (@trevorbox)
  • #474 Always log hasMember request error object (@jbielick)
  • #468 Implement graceful shutdown and propagate request context (@johejo)
  • #464 Migrate to oauth2-proxy/oauth2-proxy (@JoelSpeed)
    • Project renamed from pusher/oauth2_proxy to oauth2-proxy
    • Move Go import path from github.com/pusher/oauth2_proxy to github.com/oauth2-proxy/oauth2-proxy
    • Remove Pusher Cloud Team from CODEOWNERS
    • Release images moved to quay.io/oauth2-proxy/oauth2-proxy
    • Binaries renamed from oauth2_proxy to oauth2-proxy
  • #432 Update ruby dependencies for documentation (@theobarberbany)
  • #471 Add logging in case of invalid redirects (@gargath)
  • #462 Allow HTML in banner message (@eritikass)
  • #412 Allow multiple cookie domains to be specified (@edahlseng)
  • #413 Add -set-basic-auth param to set the Basic Authorization header for upstreams (@morarucostel)
  • #483 Warn users when session cookies are split (@JoelSpeed)
  • #488 Set-Basic-Auth should default to false (@JoelSpeed)
  • #494 Upstream websockets TLS certificate validation now depends on ssl-upstream-insecure-skip-verify (@yaroslavros)
  • #497 Restrict access using Github collaborators (@jsclayton)
  • #414 Always encrypt sessions regardless of config (@ti-mo)
  • #421 Allow logins by usernames even if they do not belong to the specified org and team or collaborators (@yyoshiki41)

v5.1.1

Release Highlights

N/A

Important Notes

  • (Security) Fix for open redirect vulnerability.
    • A bad actor using encoded whitespace in redirect URIs can redirect a session to another domain

Breaking Changes

N/A

Changes since v5.1.0

  • GHSA-j7px-6hwj-hpjg Fix Open Redirect Vulnerability with encoded Whitespace characters (@JoelSpeed)

v5.1.0

Release Highlights

  • Bump to Go 1.14
  • Reduced number of Google API requests for group validation
  • Support for Redis Cluster
  • Support for overriding hosts in hosts file

Important Notes

  • [#335] The session expiry for the OIDC provider is now taken from the Token Response (expires_in) rather than from the id_token (exp)

Breaking Changes

N/A

Changes since v5.0.0

  • #450 Fix http.Cookie SameSite is not copied (@johejo)
  • #445 Expose acr_values to all providers (@holyjak)
  • #419 Support Go 1.14, upgrade dependencies, upgrade golangci-lint to 1.23.6 (@johejo)
  • #444 Support prompt in addition to approval-prompt (@holyjak)
  • #435 Fix issue with group validation calling google directory API on every HTTP request (@ericofusco)
  • #400 Add nsswitch.conf to Docker image to allow hosts file to work (@luketainton)
  • #385 Use the Authorization header instead of access_token for refreshing GitHub Provider sessions (@ibuclaw)
  • #372 Allow fallback to secondary verified email address in GitHub provider (@dmnemec)
  • #335 OIDC Provider support for empty id_tokens in the access token refresh response (@howzat)
  • #363 Extension of Redis Session Store to Support Redis Cluster (@yan-dblinf)
  • #353 Fix login page fragment handling after soft reload on Firefox (@ffdybuster)
  • #355 Add Client Secret File support for providers that rotate client secret via file system (@pasha-r)
  • #401 Give the option to pass email address in the Basic auth header instead of upstream usernames. (@Spindel)
  • #405 The /sign_in page now honors the rd query parameter, fixing the redirect after a successful authentication (@ti-mo)
  • #434 Give the option to prefer email address in the username header when using the -pass-user-headers option (@jordancrawfordnz)

v5.0.0

Release Highlights

  • Disabled CGO (binaries will work regardless og glibc/musl)
  • Allow whitelisted redirect ports
  • Nextcloud provider support added
  • DigitalOcean provider support added

Important Notes

Breaking Changes

  • #321 Add reverse proxy boolean flag to control whether headers like X-Real-Ip are accepted. This defaults to false. Usage behind a reverse proxy will require this flag to be set to avoid logging the reverse proxy IP address.

Changes since v4.1.0

  • #331 Add reverse proxy setting (@martin-css)
  • #365 Build with CGO=0 (@tomelliff)
  • #339 Add configuration for cookie 'SameSite' value. (@pgroudas)
  • #347 Update keycloak provider configuration documentation. (@sushiMix)
  • #325 dist.sh: use sha256sum (@syscll)
  • #179 Add Nextcloud provider (@Ramblurr)
  • #280 whitelisted redirect domains: add support for whitelisting specific ports or allowing wildcard ports (@kamaln7)
  • #351 Add DigitalOcean Auth provider (@kamaln7)

v4.1.0

Release Highlights

  • Added Keycloak provider
  • Build on Go 1.13
  • Upgrade Docker image to use Debian Buster
  • Added support for FreeBSD builds
  • Added new logo
  • Added support for GitHub teams

Important Notes

N/A

Breaking Changes

N/A

Changes since v4.0.0

  • #292 Added bash >= 4.0 dependency to configure script (@jmfrank63)
  • #227 Add Keycloak provider (@Ofinka)
  • #259 Redirect to HTTPS (@jmickey)
  • #273 Support Go 1.13 (@dio)
  • #275 docker: build from debian buster (@syscll)
  • #258 Add IDToken for Azure provider (@leyshon)
    • This PR adds the IDToken into the session for the Azure provider allowing requests to a backend to be identified as a specific user. As a consequence, if you are using a cookie to store the session the cookie will now exceed the 4kb size limit and be split into multiple cookies. This can cause problems when using nginx as a proxy, resulting in no cookie being passed at all. Either increase the proxy_buffer_size in nginx or implement the redis session storage (see https://oauth2-proxy.github.io/oauth2-proxy/configuration#redis-storage)
  • #286 Requests.go updated with useful error messages (@biotom)
  • #274 Supports many github teams with api pagination support (@toshi-miura, @apratina)
  • #302 Rewrite dist script (@syscll)
  • #304 Add new Logo! 🎉 (@JoelSpeed)
  • #300 Added userinfo endpoint (@kbabuadze)
  • #309 Added support for custom CA when connecting to Redis cache (@lleszczu)
  • #248 Fix issue with X-Auth-Request-Redirect header being ignored (@webnard)
  • #314 Add redirect capability to sign_out (@costelmoraru)
  • #265 Add upstream with static response (@cgroschupp)
  • #317 Add build for FreeBSD (@fnkr)
  • #296 Allow to override provider's name for sign-in page (@ffdybuster)

v4.0.0

Release Highlights

  • Documentation is now on a microsite
  • Health check logging can now be disabled for quieter logs
  • Authorization Header JWTs can now be verified by the proxy to skip authentication for machine users
  • Sessions can now be stored in Redis. This reduces refresh failures and uses smaller cookies (Recommended for those using OIDC refreshing)
  • Logging overhaul allows customisable logging formats

Important Notes

  • This release includes a number of breaking changes that will require users to reconfigure their proxies. Please read the Breaking Changes below thoroughly.

Breaking Changes

  • #231 Rework GitLab provider
    • This PR changes the configuration options for the GitLab provider to use a self-hosted instance. You now need to specify a -oidc-issuer-url rather than explicit -login-url, -redeem-url and -validate-url parameters.
  • #186 Make config consistent
    • This PR changes configuration options so that all flags have a config counterpart of the same name but with underscores (_) in place of hyphens (-). This change affects the following flags:
    • The --tls-key flag is now --tls-key-file to be consistent with existing file flags and the existing config and environment settings
    • The --tls-cert flag is now --tls-cert-file to be consistent with existing file flags and the existing config and environment settings This change affects the following existing configuration options:
    • The proxy-prefix option is now proxy_prefix. This PR changes environment variables so that all flags have an environment counterpart of the same name but capitalised, with underscores (_) in place of hyphens (-) and with the prefix OAUTH2_PROXY_. This change affects the following existing environment variables:
    • The OAUTH2_SKIP_OIDC_DISCOVERY environment variable is now OAUTH2_PROXY_SKIP_OIDC_DISCOVERY.
    • The OAUTH2_OIDC_JWKS_URL environment variable is now OAUTH2_PROXY_OIDC_JWKS_URL.
  • #146 Use full email address as User if the auth response did not contain a User field
    • This change modifies the contents of the X-Forwarded-User header supplied by the proxy for users where the auth response from the IdP did not contain a username. In that case, this header used to only contain the local part of the user's email address (e.g. john.doe for [email protected]) but now contains the user's full email address instead.
  • #170 Pre-built binary tarballs changed format
    • The pre-built binary tarballs again match the format of the bitly repository, where the unpacked directory has the same name as the tarball and the binary is always named oauth2_proxy. This was done to restore compatibility with third-party automation recipes like https://github.com/jhoblitt/puppet-oauth2_proxy.

Changes since v3.2.0

  • #234 Added option -ssl-upstream-insecure-skip-validation to skip validation of upstream SSL certificates (@jansinger)
  • #224 Check Google group membership using hasMember to support nested groups and external users (@jpalpant)
  • #231 Add optional group membership and email domain checks to the GitLab provider (@Overv)
  • #226 Made setting of proxied headers deterministic based on configuration alone (@aeijdenberg)
  • #178 Add Silence Ping Logging and Exclude Logging Paths flags (@kskewes)
  • #209 Improve docker build caching of layers (@dekimsey)
  • #186 Make config consistent (@JoelSpeed)
  • #187 Move root packages to pkg folder (@JoelSpeed)
  • #65 Improvements to authenticate requests with a JWT bearer token in the Authorization header via the -skip-jwt-bearer-token options. (@brianv0)
    • Additional verifiers can be configured via the -extra-jwt-issuers flag if the JWT issuers is either an OpenID provider or has a JWKS URL (e.g. https://example.com/.well-known/jwks.json).
  • #180 Minor refactor of core proxying path (@aeijdenberg).
  • #175 Bump go-oidc to v2.0.0 (@aeijdenberg).
    • Includes fix for potential signature checking issue when OIDC discovery is skipped.
  • #155 Add RedisSessionStore implementation (@brianv0, @JoelSpeed)
    • Implement flags to configure the redis session store
      • -session-store-type=redis Sets the store type to redis
      • -redis-connection-url Sets the Redis connection URL
      • -redis-use-sentinel=true Enables Redis Sentinel support
      • -redis-sentinel-master-name Sets the Sentinel master name, if sentinel is enabled
      • -redis-sentinel-connection-urls Defines the Redis Sentinel Connection URLs, if sentinel is enabled
    • Introduces the concept of a session ticket. Tickets are composed of the cookie name, a session ID, and a secret.
    • Redis Sessions are stored encrypted with a per-session secret
    • Added tests for server based session stores
  • #168 Drop Go 1.11 support in Travis (@JoelSpeed)
  • #169 Update Alpine to 3.9 (@kskewes)
  • #148 Implement SessionStore interface within proxy (@JoelSpeed)
  • #147 Add SessionStore interfaces and initial implementation (@JoelSpeed)
    • Allows for multiple different session storage implementations including client and server side
    • Adds tests suite for interface to ensure consistency across implementations
    • Refactor some configuration options (around cookies) into packages
  • #114, #154 Documentation is now available live at our docs website (@JoelSpeed, @icelynjennings)
  • #146 Use full email address as User if the auth response did not contain a User field (@gargath)
  • #144 Use GO 1.12 for ARM builds (@kskewes)
  • #142 ARM Docker USER fix (@kskewes)
  • #52 Logging Improvements (@MisterWil)
    • Implement flags to configure file logging
      • -logging-filename Defines the filename to log to
      • -logging-max-size Defines the maximum
      • -logging-max-age Defines the maximum age of backups to retain
      • -logging-max-backups Defines the maximum number of rollover log files to retain
      • -logging-compress Defines if rollover log files should be compressed
      • -logging-local-time Defines if logging date and time should be local or UTC
    • Implement two new flags to enable or disable specific logging types
      • -standard-logging Enables or disables standard (not request or auth) logging
      • -auth-logging Enables or disables auth logging
    • Implement two new flags to customize the logging format
      • -standard-logging-format Sets the format for standard logging
      • -auth-logging-format Sets the format for auth logging
  • #111 Add option for telling where to find a login.gov JWT key file (@timothy-spencer)
  • #170 Restore binary tarball contents to be compatible with bitlys original tarballs (@zeha)
  • #185 Fix an unsupported protocol scheme error during token validation when using the Azure provider (@jonas)
  • #141 Check google group membership based on email address (@bchess)
    • Google Group membership is additionally checked via email address, allowing users outside a GSuite domain to be authorized.
  • #195 Add -banner flag for overriding the banner line that is displayed (@steakunderscore)
  • #198 Switch from gometalinter to golangci-lint (@steakunderscore)
  • #159 Add option to skip the OIDC provider verified email check: --insecure-oidc-allow-unverified-email (@djfinlay)
  • #210 Update base image from Alpine 3.9 to 3.10 (@steakunderscore)
  • #201 Add Bitbucket as new OAuth2 provider, accepts email, team and repository permissions to determine authorization (@aledeganopix4d)
    • Implement flags to enable Bitbucket authentication:
      • -bitbucket-repository Restrict authorization to users that can access this repository
      • -bitbucket-team Restrict authorization to users that are part of this Bitbucket team
  • #211 Switch from dep to go modules (@steakunderscore)
  • #145 Add support for OIDC UserInfo endpoint email verification (@rtluckie)

v3.2.0

Release highlights

  • Internal restructure of session state storage to use JSON rather than proprietary scheme
  • Added health check options for running on GCP behind a load balancer
  • Improved support for protecting websockets
  • Added provider for login.gov
  • Allow manual configuration of OIDC providers

Important notes

  • Dockerfile user is now non-root, this may break your existing deployment
  • In the OIDC provider, when no email is returned, the ID Token subject will be used instead of returning an error
  • GitHub user emails must now be primary and verified before authenticating

Changes since v3.1.0

  • #96 Check if email is verified on GitHub (@caarlos0)
  • #110 Added GCP healthcheck option (@timothy-spencer)
  • #112 Improve websocket support (@gyson)
  • #63 Use encoding/json for SessionState serialization (@yaegashi)
    • Use JSON to encode session state to be stored in browser cookies
    • Implement legacy decode function to support existing cookies generated by older versions
    • Add detailed table driven tests in session_state_test.go
  • #120 Encrypting user/email from cookie (@costelmoraru)
  • #55 Added login.gov provider (@timothy-spencer)
  • #55 Added environment variables for all config options (@timothy-spencer)
  • #70 Fix handling of splitted cookies (@einfachchr)
  • #92 Merge websocket proxy feature from openshift/oauth-proxy (@butzist)
  • #57 Fall back to using OIDC Subject instead of Email (@aigarius)
  • #85 Use non-root user in docker images (@kskewes)
  • #68 forward X-Auth-Access-Token header (@davidholsgrove)
  • #41 Added option to manually specify OIDC endpoints instead of relying on discovery
  • #83 Add id_token refresh to Google provider (@leki75)
  • #10 fix redirect url param handling (@dt-rush)
  • #122 Expose -cookie-path as configuration parameter (@costelmoraru)
  • #124 Use Go 1.12 for testing and build environments (@syscll)

v3.1.0

Release highlights

  • Introduction of ARM releases and and general improvements to Docker builds
  • Improvements to OIDC provider allowing pass-through of ID Tokens
  • Multiple redirect domains can now be whitelisted
  • Streamed responses are now flushed periodically

Important notes

  • If you have been using #bitly/621 and have cookies larger than the 4kb limit, the cookie splitting pattern has changed and now uses _ in place of - when indexing cookies. This will force users to reauthenticate the first time they use v3.1.0.
  • Streamed responses will now be flushed every 1 second by default. Previously streamed responses were flushed only when the buffer was full. To retain the old behaviour set --flush-interval=0. See #23 for further details.

Changes since v3.0.0

  • #14 OIDC ID Token, Authorization Headers, Refreshing and Verification (@joelspeed)
    • Implement pass-authorization-header and set-authorization-header flags
    • Implement token refreshing in OIDC provider
    • Split cookies larger than 4k limit into multiple cookies
    • Implement token validation in OIDC provider
  • #15 WhitelistDomains (@joelspeed)
    • Add --whitelist-domain flag to allow redirection to approved domains after OAuth flow
  • #21 Docker Improvement (@yaegashi)
    • Move Docker base image from debian to alpine
    • Install ca-certificates in docker image
  • #23 Flushed streaming responses
    • Long-running upstream responses will get flushed every (1 second by default)
  • #24 Redirect fix (@agentgonzo)
    • After a successful login, you will be redirected to your original URL rather than /
  • #35 arm and arm64 binary releases (@kskewes)
    • Add armv6 and arm64 to Makefile release target
  • #37 cross build arm and arm64 docker images (@kskewes)

v3.0.0

Adoption of OAuth2_Proxy by Pusher. Project was hard forked and tidied however no logical changes have occurred since v2.2 as released by Bitly.

Changes since v2.2:

  • #7 Migration to Pusher (@joelspeed)
    • Move automated build to debian base image
    • Add Makefile
      • Update CI to run make test
      • Update Dockerfile to use make clean oauth2_proxy
      • Update VERSION parameter to be set by ldflags from Git Status
      • Remove lint and test scripts
    • Remove Go v1.8.x from Travis CI testing
    • Add CODEOWNERS file
    • Add CONTRIBUTING guide
    • Add Issue and Pull Request templates
    • Add Dockerfile
    • Fix fsnotify import
    • Update README to reflect new repository ownership
    • Update CI scripts to separate linting and testing
      • Now using gometalinter for linting
    • Move Go import path from github.com/bitly/oauth2_proxy to github.com/pusher/oauth2_proxy
    • Repository forked on 27/11/18
      • README updated to include note that this repository is forked
      • CHANGLOG created to track changes to repository from original fork