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							|  | @ -121,7 +121,7 @@ require ( | |||
| 	gopkg.in/stretchr/testify.v1 v1.2.2 // indirect | ||||
| 	gopkg.in/testfixtures.v2 v2.5.0 | ||||
| 	mvdan.cc/xurls/v2 v2.0.0 | ||||
| 	strk.kbt.io/projects/go/libravatar v0.0.0-20160628055650-5eed7bff870a | ||||
| 	strk.kbt.io/projects/go/libravatar v0.0.0-20191008002943-06d1c002b251 | ||||
| 	xorm.io/builder v0.3.6 | ||||
| 	xorm.io/core v0.7.2 | ||||
| ) | ||||
|  |  | |||
							
								
								
									
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							|  | @ -815,8 +815,8 @@ honnef.co/go/tools v0.0.1-2019.2.2/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt | |||
| mvdan.cc/xurls/v2 v2.0.0 h1:r1zSOSNS/kqtpmATyMMMvaZ4/djsesbYz5kr0+qMRWc= | ||||
| mvdan.cc/xurls/v2 v2.0.0/go.mod h1:2/webFPYOXN9jp/lzuj0zuAVlF+9g4KPFJANH1oJhRU= | ||||
| rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8= | ||||
| strk.kbt.io/projects/go/libravatar v0.0.0-20160628055650-5eed7bff870a h1:8q33ShxKXRwQ7JVd1ZnhIU3hZhwwn0Le+4fTeAackuM= | ||||
| strk.kbt.io/projects/go/libravatar v0.0.0-20160628055650-5eed7bff870a/go.mod h1:FJGmPh3vz9jSos1L/F91iAgnC/aejc0wIIrF2ZwJxdY= | ||||
| strk.kbt.io/projects/go/libravatar v0.0.0-20191008002943-06d1c002b251 h1:mUcz5b3FJbP5Cvdq7Khzn6J9OCUQJaBwgBkCR+MOwSs= | ||||
| strk.kbt.io/projects/go/libravatar v0.0.0-20191008002943-06d1c002b251/go.mod h1:FJGmPh3vz9jSos1L/F91iAgnC/aejc0wIIrF2ZwJxdY= | ||||
| xorm.io/builder v0.3.6 h1:ha28mQ2M+TFx96Hxo+iq6tQgnkC9IZkM6D8w9sKHHF8= | ||||
| xorm.io/builder v0.3.6/go.mod h1:LEFAPISnRzG+zxaxj2vPicRwz67BdhFreKg8yv8/TgU= | ||||
| xorm.io/core v0.7.2-0.20190928055935-90aeac8d08eb h1:msX3zG3BPl8Ti+LDzP33/9K7BzO/WqFXk610K1kYKfo= | ||||
|  |  | |||
							
								
								
									
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							|  | @ -612,7 +612,7 @@ gopkg.in/warnings.v0 | |||
| gopkg.in/yaml.v2 | ||||
| # mvdan.cc/xurls/v2 v2.0.0 | ||||
| mvdan.cc/xurls/v2 | ||||
| # strk.kbt.io/projects/go/libravatar v0.0.0-20160628055650-5eed7bff870a | ||||
| # strk.kbt.io/projects/go/libravatar v0.0.0-20191008002943-06d1c002b251 | ||||
| strk.kbt.io/projects/go/libravatar | ||||
| # xorm.io/builder v0.3.6 | ||||
| xorm.io/builder | ||||
|  |  | |||
							
								
								
									
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							|  | @ -0,0 +1,12 @@ | |||
| PACKAGES ?= $(shell go list ./...) | ||||
| 
 | ||||
| .PHONY: check | ||||
| check: lint | ||||
| 	go test | ||||
| 
 | ||||
| .PHONY: lint | ||||
| lint: | ||||
| 	@which golint > /dev/null; if [ $$? -ne 0 ]; then \
 | ||||
| 		go get -u github.com/golang/lint/golint; \
 | ||||
| 	fi | ||||
| 	@for PKG in $(PACKAGES); do golint -set_exit_status $$PKG || exit 1; done; | ||||
							
								
								
									
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							|  | @ -1,12 +1,14 @@ | |||
| Simple [golang](https://www.golang.org) library for serving | ||||
| [federated avatars](https://www.libravatar.org) | ||||
| 
 | ||||
| [] | ||||
| (https://goreportcard.com/report/strk.kbt.io/projects/go/libravatar) | ||||
| 
 | ||||
| # Use | ||||
| 
 | ||||
| ```sh | ||||
| go get strk.kbt.io/projects/go/libravatar | ||||
| cd $GOPATH/src/strk.kbt.io/projects/go/libravatar | ||||
| go doc | ||||
| go doc strk.kbt.io/projects/go/libravatar | ||||
| ``` | ||||
| 
 | ||||
| # Contribute | ||||
|  |  | |||
							
								
								
									
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							|  | @ -5,7 +5,7 @@ | |||
| // Implements support for federated avatars lookup.
 | ||||
| // See https://wiki.libravatar.org/api/
 | ||||
| 
 | ||||
| package libravatar | ||||
| package libravatar // import "strk.kbt.io/projects/go/libravatar"
 | ||||
| 
 | ||||
| import ( | ||||
| 	"crypto/md5" | ||||
|  | @ -16,6 +16,7 @@ import ( | |||
| 	"net/mail" | ||||
| 	"net/url" | ||||
| 	"strings" | ||||
| 	"sync" | ||||
| 	"time" | ||||
| ) | ||||
| 
 | ||||
|  | @ -38,7 +39,8 @@ const ( | |||
| ) | ||||
| 
 | ||||
| var ( | ||||
| 	// Default object, enabling object-less function calls
 | ||||
| 	// DefaultLibravatar is a default Libravatar object,
 | ||||
| 	// enabling object-less function calls
 | ||||
| 	DefaultLibravatar = New() | ||||
| ) | ||||
| 
 | ||||
|  | @ -53,14 +55,16 @@ type cacheValue struct { | |||
| 	checkedAt time.Time | ||||
| } | ||||
| 
 | ||||
| // Libravatar is an opaque structure holding service configuration
 | ||||
| type Libravatar struct { | ||||
| 	defUrl             string // default url
 | ||||
| 	defURL             string // default url
 | ||||
| 	picSize            int    // picture size
 | ||||
| 	fallbackHost       string // default fallback URL
 | ||||
| 	secureFallbackHost string // default fallback URL for secure connections
 | ||||
| 	useHTTPS           bool | ||||
| 	nameCache          map[cacheKey]cacheValue | ||||
| 	nameCacheDuration  time.Duration | ||||
| 	nameCacheMutex     *sync.Mutex | ||||
| 	minSize            uint   // smallest image dimension allowed
 | ||||
| 	maxSize            uint   // largest image dimension allowed
 | ||||
| 	size               uint   // what dimension should be used
 | ||||
|  | @ -68,7 +72,7 @@ type Libravatar struct { | |||
| 	secureServiceBase  string // SRV record to be queried for federation with secure servers
 | ||||
| } | ||||
| 
 | ||||
| // Instanciate a library handle
 | ||||
| // New instanciates a new Libravatar object (handle)
 | ||||
| func New() *Libravatar { | ||||
| 	// According to https://wiki.libravatar.org/running_your_own/
 | ||||
| 	// the time-to-live (cache expiry) should be set to at least 1 day.
 | ||||
|  | @ -82,27 +86,28 @@ func New() *Libravatar { | |||
| 		secureServiceBase:  `avatars-sec`, | ||||
| 		nameCache:          make(map[cacheKey]cacheValue), | ||||
| 		nameCacheDuration:  24 * time.Hour, | ||||
| 		nameCacheMutex:     &sync.Mutex{}, | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| // Set the hostname for fallbacks in case no avatar service is defined
 | ||||
| // for a domain
 | ||||
| // SetFallbackHost sets the hostname for fallbacks in case no avatar
 | ||||
| // service is defined for a domain
 | ||||
| func (v *Libravatar) SetFallbackHost(host string) { | ||||
| 	v.fallbackHost = host | ||||
| } | ||||
| 
 | ||||
| // Set the hostname for fallbacks in case no avatar service is defined
 | ||||
| // for a domain, when requiring secure domains
 | ||||
| // SetSecureFallbackHost sets the hostname for fallbacks in case no
 | ||||
| // avatar service is defined for a domain, when requiring secure domains
 | ||||
| func (v *Libravatar) SetSecureFallbackHost(host string) { | ||||
| 	v.secureFallbackHost = host | ||||
| } | ||||
| 
 | ||||
| // Set useHTTPS flag
 | ||||
| // SetUseHTTPS sets flag requesting use of https for fetching avatars
 | ||||
| func (v *Libravatar) SetUseHTTPS(use bool) { | ||||
| 	v.useHTTPS = use | ||||
| } | ||||
| 
 | ||||
| // Set Avatars image dimension (0 for default)
 | ||||
| // SetAvatarSize sets avatars image dimension (0 for default)
 | ||||
| func (v *Libravatar) SetAvatarSize(size uint) { | ||||
| 	v.size = size | ||||
| } | ||||
|  | @ -150,8 +155,8 @@ func (v *Libravatar) process(email *mail.Address, openid *url.URL) (string, erro | |||
| 	res := fmt.Sprintf("%s/avatar/%s", URL, v.genHash(email, openid)) | ||||
| 
 | ||||
| 	values := make(url.Values) | ||||
| 	if v.defUrl != "" { | ||||
| 		values.Add("d", v.defUrl) | ||||
| 	if v.defURL != "" { | ||||
| 		values.Add("d", v.defURL) | ||||
| 	} | ||||
| 	if v.size > 0 { | ||||
| 		values.Add("s", fmt.Sprintf("%d", v.size)) | ||||
|  | @ -181,7 +186,9 @@ func (v *Libravatar) baseURL(email *mail.Address, openid *url.URL) (string, erro | |||
| 	host := v.getDomain(email, openid) | ||||
| 	key := cacheKey{service, host} | ||||
| 	now := time.Now() | ||||
| 	v.nameCacheMutex.Lock() | ||||
| 	val, found := v.nameCache[key] | ||||
| 	v.nameCacheMutex.Unlock() | ||||
| 	if found && now.Sub(val.checkedAt) <= v.nameCacheDuration { | ||||
| 		return protocol + val.target, nil | ||||
| 	} | ||||
|  | @ -204,53 +211,55 @@ func (v *Libravatar) baseURL(email *mail.Address, openid *url.URL) (string, erro | |||
| 		} | ||||
| 
 | ||||
| 		var ( | ||||
| 			total_weight uint16 | ||||
| 			totalWeight uint16 | ||||
| 			records     []record | ||||
| 			top_priority = addrs[0].Priority | ||||
| 			top_record   *net.SRV | ||||
| 			topPriority = addrs[0].Priority | ||||
| 			topRecord   *net.SRV | ||||
| 		) | ||||
| 
 | ||||
| 		for _, rr := range addrs { | ||||
| 			if rr.Priority > top_priority { | ||||
| 			if rr.Priority > topPriority { | ||||
| 				continue | ||||
| 			} else if rr.Priority < top_priority { | ||||
| 			} else if rr.Priority < topPriority { | ||||
| 				// won't happen, because net sorts
 | ||||
| 				// by priority, but just in case
 | ||||
| 				total_weight = 0 | ||||
| 				totalWeight = 0 | ||||
| 				records = nil | ||||
| 				top_priority = rr.Priority | ||||
| 				topPriority = rr.Priority | ||||
| 			} | ||||
| 
 | ||||
| 			total_weight += rr.Weight | ||||
| 			totalWeight += rr.Weight | ||||
| 
 | ||||
| 			if rr.Weight > 0 { | ||||
| 				records = append(records, record{rr, total_weight}) | ||||
| 				records = append(records, record{rr, totalWeight}) | ||||
| 			} else if rr.Weight == 0 { | ||||
| 				records = append([]record{record{srv: rr, weight: total_weight}}, records...) | ||||
| 				records = append([]record{record{srv: rr, weight: totalWeight}}, records...) | ||||
| 			} | ||||
| 		} | ||||
| 
 | ||||
| 		if len(records) == 1 { | ||||
| 			top_record = records[0].srv | ||||
| 			topRecord = records[0].srv | ||||
| 		} else { | ||||
| 			randnum := uint16(rand.Intn(int(total_weight))) | ||||
| 			randnum := uint16(rand.Intn(int(totalWeight))) | ||||
| 
 | ||||
| 			for _, rr := range records { | ||||
| 				if rr.weight >= randnum { | ||||
| 					top_record = rr.srv | ||||
| 					topRecord = rr.srv | ||||
| 					break | ||||
| 				} | ||||
| 			} | ||||
| 		} | ||||
| 
 | ||||
| 		domain = fmt.Sprintf("%s:%d", top_record.Target, top_record.Port) | ||||
| 		domain = fmt.Sprintf("%s:%d", topRecord.Target, topRecord.Port) | ||||
| 	} | ||||
| 
 | ||||
| 	v.nameCacheMutex.Lock() | ||||
| 	v.nameCache[key] = cacheValue{checkedAt: now, target: domain} | ||||
| 	v.nameCacheMutex.Unlock() | ||||
| 	return protocol + domain, nil | ||||
| } | ||||
| 
 | ||||
| // Return url of the avatar for the given email
 | ||||
| // FromEmail returns the url of the avatar for the given email
 | ||||
| func (v *Libravatar) FromEmail(email string) (string, error) { | ||||
| 	addr, err := mail.ParseAddress(email) | ||||
| 	if err != nil { | ||||
|  | @ -265,12 +274,13 @@ func (v *Libravatar) FromEmail(email string) (string, error) { | |||
| 	return link, nil | ||||
| } | ||||
| 
 | ||||
| // Object-less call to DefaultLibravatar for an email adders
 | ||||
| // FromEmail is the object-less call to DefaultLibravatar for an email adders
 | ||||
| func FromEmail(email string) (string, error) { | ||||
| 	return DefaultLibravatar.FromEmail(email) | ||||
| } | ||||
| 
 | ||||
| // Return url of the avatar for the given url (typically for OpenID)
 | ||||
| // FromURL returns the url of the avatar for the given url (typically
 | ||||
| // for OpenID)
 | ||||
| func (v *Libravatar) FromURL(openid string) (string, error) { | ||||
| 	ourl, err := url.Parse(openid) | ||||
| 	if err != nil { | ||||
|  | @ -291,7 +301,7 @@ func (v *Libravatar) FromURL(openid string) (string, error) { | |||
| 	return link, nil | ||||
| } | ||||
| 
 | ||||
| // Object-less call to DefaultLibravatar for a URL
 | ||||
| // FromURL is the object-less call to DefaultLibravatar for a URL
 | ||||
| func FromURL(openid string) (string, error) { | ||||
| 	return DefaultLibravatar.FromURL(openid) | ||||
| } | ||||
|  |  | |||
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